Please follow the steps to record a voice track in Garage Band.
- Plug in USB headset
- Go to system preferences from the apple toolbar on the top left corner of the screen.
- Under sound choose USB for input and set the volume to halfway. Then choose USB for input and output.
- Open Garage Band
- Choose preferences under the Garage Band tool bar.
- In preferences choose Audio/MIDI.
- Choose USB for audio input and output.
- Once back on the GBand screen, choose new track under track on the toolbar.
- Select real instrument and vocal (no effects).
- Get ready to record and hit the red record button at the bottom of your screen and speak away.