Open GarageBand
Choose a project type
Select an instrument or audio track
Connect your microphone or instrument if needed
Set the input source and output device
Arm the track for recording
Click the Record button
Play or sing your part
Stop recording when finished
Edit the recorded region
Trim, split, or move audio and MIDI clips
Use the piano roll or editor to adjust notes
Add loops from the Loop Browser
Add more tracks as needed
Apply effects and plugins
Adjust volume, pan, and EQ
Use the mixer to balance tracks
Save your project
Export or share the final song