Use Apple Loops and audio files with Live Loops in GarageBand for iPhone
In addition to recording, you can add Apple Loops and audio files to cells in an Audio Recorder or Amp row of the grid, or to an empty row. If your song has an empty grid, and has regions in Tracks view, you can import all of the regions from Tracks view to the Live Loops grid.
Add an Apple Loop to a cell in an Audio Recorder or Amp row
Tap an empty cell, then tap Loops.
The Loop Browser opens.
Do one of the following:
Tap Download button for the loop you want to add.
Drag a loop from the Loop Browser to the empty cell.
If the loop features a different instrument that the one originally used by the row, the icon for the row changes to a speaker icon.
Add an Apple Loop to a new, empty row
Tap the Add Row button below the track headers, then tap Loops.
The Loop Browser opens.
Do one of the following:
Tap the Download button for the loop you want to add.
Drag a loop from the Loop Browser to the empty cell.
Add an audio file to a cell in an Audio Recorder or Amp row
Tap an empty cell, then tap Loops.
The Loop Browser opens.
In the Loop Browser, tap Audio Files.
Select the audio file you want to add.
Do one of the following:
Tap Download button for the audio file you want to add.
Drag an audio file from the Loop Browser to the empty cell.