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Connect a USB MIDI keyboard directly to your Mac, or use a MIDI interface for a keyboard with 5-pin MIDI ports. In GarageBand, select a software-instrument track to play; record on that track to capture the performance as a MIDI region. If your keyboard supports Bluetooth LE MIDI, you can pair it through macOS Audio MIDI Setup instead.
Choose the connection route that matches your keyboard
Check the keyboard’s ports and manual before connecting anything. The connection you need depends on how the keyboard sends MIDI, not on which sound you want to use in GarageBand. A MIDI keyboard sends performance data—such as notes and control changes—to the Mac. GarageBand then uses that data to play a selected software instrument.
| Keyboard connection | What you need | Where setup happens |
|---|---|---|
| USB connection for MIDI | The keyboard’s USB cable and a compatible Mac connection. Follow the keyboard maker’s instructions if an adapter or driver is required. | Connect the keyboard to the Mac, then select a software-instrument track in GarageBand. |
| 5-pin MIDI In and MIDI Out ports, without direct USB-MIDI | A MIDI interface that connects to the Mac. Match its MIDI ports to the keyboard and check compatibility with your macOS version. | Connect the keyboard to the interface, the interface to the Mac, then select a software-instrument track. |
| Bluetooth LE MIDI | A keyboard that specifically supports Bluetooth LE MIDI. Manufacturer software may also be required. | Pair it in Audio MIDI Setup’s MIDI Studio, not in a GarageBand-specific Bluetooth pairing dialog. |
Apple’s GarageBand User Guide connection instructions cover USB and MIDI keyboards. The guide identifies GarageBand 10.4.14 among the available guide versions and is served from Apple Support’s Australian locale. Menu labels or device compatibility may differ if you use another version or configuration.
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If your keyboard has a USB connection intended to send MIDI to a computer, start with that route: connect it to the Mac using its USB cable and check the keyboard maker’s setup directions. If it has 5-pin MIDI ports but no direct USB-MIDI connection, plan on using a MIDI interface. If it has Bluetooth, check the manual for the specific term Bluetooth LE MIDI before relying on a wireless connection. Bluetooth capability by itself does not confirm that the device can pair as a MIDI controller.
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The main extra-hardware difference is straightforward: the traditional 5-pin route requires an interface between the keyboard and Mac, while direct USB-MIDI and supported Bluetooth LE MIDI can avoid that interface. The exact equipment still depends on the keyboard’s ports, the Mac’s available connection, and manufacturer requirements. There is no single interface model that fits every keyboard and Mac, so identify the connectors and compatibility requirements before choosing one.
Connect a USB MIDI keyboard
- Check the keyboard manual. Confirm that its USB connection sends MIDI to a computer. Do not assume every USB-shaped port has the same purpose or works the same way. Apple directs users to follow the keyboard maker’s setup instructions.
- Connect the keyboard to the Mac. Use the keyboard’s USB cable. If the Mac and keyboard do not have matching connectors, use an appropriate connection for your equipment.
- Install any required driver or manufacturer software. Not every keyboard needs one. Install software only when the manufacturer’s instructions call for it, and check that it supports the macOS version installed on your Mac.
- Open GarageBand and select a software-instrument track. Play the keyboard. The selected GarageBand instrument—not the keyboard’s built-in sound—is what you hear through the Mac’s audio output.
Apple describes the basic route as connecting the USB cable from the keyboard to the computer and following the device maker’s instructions, including driver instructions where applicable. See Apple’s keyboard connection guide.
Keep the distinction between a USB connector and a USB-MIDI function in mind. A port’s shape alone does not tell you what it does. The keyboard manual is the place to confirm whether it sends MIDI to a computer and whether it needs a driver or other manufacturer software. Do not install a driver simply because the keyboard is not immediately visible; first check the maker’s instructions and the macOS compatibility information for that device.
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If the keyboard has MIDI In and MIDI Out ports but no direct USB-MIDI connection, connect it to the Mac through a MIDI interface. The interface provides the connection between the keyboard’s MIDI ports and the computer. Apple’s documented wiring for two-way MIDI communication is:
- Connect the keyboard’s MIDI Out to the interface’s MIDI In.
- Connect the keyboard’s MIDI In to the interface’s MIDI Out.
- Connect the interface to the Mac.
- Follow the keyboard and interface manufacturers’ setup instructions, including any required driver installation.
For sending notes from the keyboard to GarageBand, the keyboard’s MIDI Out to the interface’s MIDI In is the sending path. The return connection is for MIDI data traveling back to the keyboard and may be useful depending on its capabilities and intended use. Apple’s connection guide shows the full two-way wiring sequence.
If you need an interface, match its MIDI connections to the keyboard’s ports and verify compatibility with your Mac and macOS version before buying. An interface is not required for a keyboard that can connect directly to the Mac over USB-MIDI or for a compatible Bluetooth LE MIDI connection.
What to check before buying an interface
- Confirm the keyboard’s MIDI ports. The interface route applies when the keyboard uses 5-pin MIDI ports and does not provide direct USB-MIDI for connecting to the Mac.
- Match the port directions. The keyboard’s MIDI Out needs to connect to the interface’s MIDI In for notes to travel to the computer. If you intend to use two-way MIDI, check for the corresponding MIDI In and MIDI Out connections as well.
- Check the computer connection. The interface must connect to your Mac, and any adapter or driver needs should be confirmed for your particular setup.
- Verify software compatibility. Check the interface maker’s compatibility details for your installed macOS version. Apple’s general wiring directions do not guarantee that every interface or driver supports every Mac configuration.
An interface is a task-specific purchase for the 5-pin route, not a required GarageBand accessory for everyone. If the keyboard connects over USB-MIDI, or has supported Bluetooth LE MIDI, those are alternative connection paths. If you already have a compatible route, do not add an interface without a need for it. The relevant product choice is determined by your keyboard’s connectors and compatibility—not by a universal GarageBand recommendation.
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After connecting the keyboard, open a GarageBand project and select a software-instrument track. Play a few notes: GarageBand uses the incoming MIDI to play the instrument assigned to that track. A controller does not automatically make GarageBand play the keyboard’s own sounds; this workflow uses GarageBand’s software instrument. Apple explains the supported input methods in its software-instrument playback guide.
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Apple’s description is concise: “You can connect a USB or MIDI music keyboard to your computer to play and record software instruments.” The practical implication is that the keyboard supplies the performance input, while the selected GarageBand instrument supplies the sound. If you change the software instrument track’s sound, you are changing what GarageBand plays in response to the keyboard’s MIDI—not changing the keyboard’s own built-in tone.
Use Musical Typing to narrow down a problem
To check whether the selected instrument can be played without the external keyboard, choose Window > Show Musical Typing or press Command-K, then play the on-screen keys while the software-instrument track is selected. If Musical Typing produces sound but the external keyboard does not, investigate the MIDI connection or whether macOS detects the keyboard. If neither input produces sound, check the selected track and the Mac’s audio output. This is a troubleshooting comparison: Musical Typing can test the GarageBand instrument path, but it does not establish whether an external MIDI device is sending notes.
This comparison helps separate two different questions. First, can GarageBand play the selected software instrument through the Mac’s audio output? Musical Typing can help you check that path. Second, is the external keyboard sending MIDI that the Mac receives? Use MIDI Studio’s device view and test procedure for that question. A sound test alone does not identify the cause of every failure, but checking these paths separately can keep you from changing unrelated settings.
Record a performance as MIDI
Recording from a MIDI keyboard on a software-instrument track captures MIDI note data in GarageBand. It does not, by itself, record the keyboard’s built-in sounds as an audio performance.
- Select the software-instrument track you want to record on.
- Move the playhead to the intended start point.
- Set the metronome and count-in if you want to use them.
- Click Record or press R, then play the keyboard.
- Click Stop or press the Space bar when finished.
GarageBand places the recorded performance in a new MIDI region on the track. Apple’s recording guide documents the software-instrument recording workflow.
Before recording, make sure the intended software-instrument track is selected; the input is used to play that track. Move the playhead to the position where you want the performance to begin. The metronome and count-in are optional, so use them if they help you start in time. Start recording with the on-screen Record control or the R key, play the part, and stop when the take is complete. The result described in Apple’s workflow is a MIDI region on the track.
A MIDI region is different from an audio recording of a keyboard’s own speakers or audio output. If your goal is to capture the keyboard’s built-in sounds, this MIDI controller setup alone does not provide the audio path. The connection and input requirements depend on the keyboard model; consult its manual for audio-output instructions rather than assuming the MIDI ports carry its sound.
If you are unsure which result you want, ask whether you want GarageBand’s instruments to play the notes, or whether you want to capture the keyboard’s own sound. For the first goal, use a software-instrument track and record MIDI. For the second, consult the keyboard manual for its audio connections; the MIDI instructions here do not specify the audio wiring for every model.
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Pair a compatible keyboard over Bluetooth LE MIDI
Use this option only if the keyboard supports Bluetooth LE MIDI. Bluetooth support alone does not establish that a device can send MIDI to GarageBand. Apple’s pairing procedure takes place in macOS Audio MIDI Setup:
- Open Audio MIDI Setup.
- Choose Window > Show MIDI Studio.
- Click Configure Bluetooth.
- Put the keyboard into pairing mode, select it in the device list, and click Connect.
- Install manufacturer software if the keyboard maker requires it.
Once paired, select a software-instrument track in GarageBand and try playing. These are macOS Bluetooth MIDI pairing steps, not a separate GarageBand pairing menu. See Apple’s keyboard connection guide and follow the keyboard maker’s instructions for its Bluetooth setup.
If the keyboard is not listed, first confirm in its manual that it supports Bluetooth LE MIDI and that it is in pairing mode. Apple’s procedure is to configure the connection in Audio MIDI Setup; it is not a general instruction to pair any Bluetooth keyboard through GarageBand. Manufacturer software may be needed, so follow the device maker’s setup details rather than assuming the same steps apply to every model.
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Work from the physical connection toward GarageBand. This order helps distinguish a connection or detection problem from an instrument or audio-output problem.
1. Check power, cables, ports, and setup instructions
- Make sure the keyboard is powered and connected to the Mac or MIDI interface.
- For a 5-pin connection, confirm that the keyboard’s MIDI Out goes to the interface’s MIDI In. Recheck any return connection if your setup needs two-way MIDI.
- Confirm that the keyboard’s USB connection is intended for MIDI and that you have followed its setup instructions.
- Check whether the keyboard or interface maker requires a driver or other software.
2. See whether macOS detects the MIDI device
- Open Audio MIDI Setup.
- Choose Window > Show MIDI Studio.
- Look for the keyboard or MIDI interface. Apple says a USB MIDI interface is usually detected automatically.
- If the device is missing, click Rescan MIDI. If it still does not appear, recheck its connection and power, then install required manufacturer software.
These steps follow Apple’s keyboard connection guidance.
Use this check before changing GarageBand settings. A missing device in MIDI Studio points you back toward the connection, power, interface, or manufacturer software. Rescanning is Apple’s documented next step when the device is not listed; if it remains absent, check the physical setup and the maker’s requirements. Do not treat a GarageBand track change as a substitute for confirming that macOS can see the MIDI device.
3. Test whether the Mac receives notes
In MIDI Studio, select the MIDI device and click Test MIDI Setup, then play a note. Apple says the input indicator for the corresponding port highlights when the Mac receives the signal. If it does not, check the physical setup and whether the keyboard or interface is compatible with your macOS version; consult the manufacturer if needed. Apple’s separate article Test your MIDI setup, dated May 27, 2026, describes this test.
The input indicator provides a specific check: it highlights when the Mac receives the signal at the corresponding port. If it does not highlight, revisit the cable directions and device setup before troubleshooting the GarageBand instrument. Also confirm that the keyboard or interface maker lists support for the macOS version you use. Apple’s general procedure cannot establish compatibility for every third-party model.
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4. If MIDI arrives but you hear nothing, check the instrument and audio output
If MIDI Studio indicates that notes are arriving, select a software-instrument track in GarageBand and check that the Mac is sending audio to an audible output. If the external keyboard is silent, try Musical Typing as a separate check of the GarageBand instrument path. If that is also silent, the instrument or audio output may be the issue rather than the external MIDI connection. Apple documents how to play a software instrument, but the output-routing steps depend on the Mac’s configuration and are not detailed in the cited setup instructions.
Keep the limits of each test clear. MIDI Studio can indicate whether note data reaches the Mac; it does not diagnose speakers or other audio output. Musical Typing can help you check whether GarageBand’s selected instrument makes sound without the controller; it does not prove that the external keyboard sends MIDI. If notes arrive but you cannot hear them, focus on the selected software instrument and audible output rather than replacing a MIDI interface without evidence that the connection has failed.
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The GarageBand User Guide pages cited here identify GarageBand 10.4.14 among the available guide versions. Apple’s Audio MIDI Setup documentation lists macOS 27 Golden Gate, macOS Tahoe 26, macOS Sequoia 15, and earlier releases. Those guide listings do not establish that a particular keyboard, interface, or driver works with every listed macOS version. Check the manufacturer’s compatibility information for the exact model and software version you use.
The procedures above are based on Apple Support documentation served from its Australian locale and were current as of October 13, 2026. If your GarageBand or macOS version differs, recheck Apple’s relevant guide and the device maker’s instructions for current menu labels and compatibility details.
Compatibility is a model-specific check, not something that can be inferred from the fact that a device has USB, MIDI, or Bluetooth. Before buying an interface or installing software, identify the exact keyboard and interface models, confirm the intended MIDI connection, and check the maker’s instructions for your macOS version. Apple’s documented steps explain the connection workflow; the manufacturer supplies the device-specific requirements.
Frequently asked questions
Do I need a MIDI interface to connect a keyboard to GarageBand?
Only if your keyboard needs the 5-pin MIDI route and has no direct USB-MIDI connection. A keyboard with USB-MIDI can connect directly to the Mac, while a compatible Bluetooth LE MIDI keyboard can use Audio MIDI Setup. GarageBand’s Musical Typing can also play a software instrument without an external keyboard.
Can I use a keyboard’s built-in sounds with this MIDI connection?
The workflow here uses the keyboard as a MIDI controller to play a GarageBand software instrument. MIDI recording creates a MIDI region, not an audio recording of the keyboard’s built-in sounds. For the keyboard’s own sound, check its manual for the separate audio-output connection requirements.
Where do I pair a Bluetooth MIDI keyboard?
For a keyboard that supports Bluetooth LE MIDI, pair it in macOS Audio MIDI Setup: open MIDI Studio, choose Configure Bluetooth, put the keyboard in pairing mode, select it, and click Connect. This is not a GarageBand-specific pairing dialog, and manufacturer software may be required.
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How can I tell whether the Mac is receiving MIDI notes?
Open Audio MIDI Setup, show MIDI Studio, select the MIDI device, and click Test MIDI Setup. Play a note; Apple says the indicator for the corresponding input port highlights when the Mac receives the signal.
The keyboard appears in MIDI Studio, but GarageBand is silent. What should I check?
Confirm that a software-instrument track is selected and that the Mac is sending audio to an audible output. Try Musical Typing to check whether GarageBand’s instrument path produces sound. MIDI Studio’s test checks incoming MIDI data, not the Mac’s audio output.
Does every MIDI keyboard need a driver?
No. Follow the keyboard or interface maker’s instructions and install a driver or other software only if required. Check that any required software supports the macOS version installed on your Mac.
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Do I need a MIDI interface to connect a keyboard to GarageBand?
Only if your keyboard needs the 5-pin MIDI route and has no direct USB-MIDI connection. USB-MIDI and compatible Bluetooth LE MIDI are alternative routes.
Can I record the keyboard’s built-in sounds through MIDI?
No. The workflow here records MIDI note data to a software-instrument track. To capture the keyboard’s own sound as audio, check its manual for the separate audio-output connection requirements.
Where do I pair a Bluetooth MIDI keyboard?
Pair a Bluetooth LE MIDI-compatible keyboard in macOS Audio MIDI Setup’s MIDI Studio using Configure Bluetooth. GarageBand does not have a separate pairing dialog for this procedure.
How do I test whether the Mac receives notes?
In Audio MIDI Setup, show MIDI Studio, select the device, click Test MIDI Setup, and play a note. The corresponding input indicator highlights when the Mac receives the signal.
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The keyboard appears in MIDI Studio, but GarageBand is silent. What should I check?
Select a software-instrument track and check the Mac’s audible audio output. Musical Typing can help test GarageBand’s instrument path separately from the external MIDI connection.
Does every MIDI keyboard need a driver?
No. Follow the keyboard or interface maker’s instructions and install a driver only if required; confirm it supports your macOS version.
The Bottom Line
Use USB-MIDI for the direct route, a compatible MIDI interface for 5-pin ports, or Audio MIDI Setup for a Bluetooth LE MIDI keyboard. Then select a GarageBand software-instrument track to play or record MIDI. Check the device maker’s instructions for drivers and macOS compatibility.
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