Apple GarageBand 2.0 - Manual (Page 45)

Chapter 6 Working With Real Instruments 45
If you enable more than eight Real Instrument tracks or more than one Software
Instrument track, the track farthest from the last track you enable is disabled for
recording, so as not to exceed the maximum number of recording tracks.
To record on multiple tracks, you need to have an audio interface with at least two
input channels for recording.
Changing Real Instrument Settings
When you create a Real Instrument track, you select an instrument for the track in the
New Track dialog. You can change the instrument in the Track Info window, and also
change the effects and input settings.
Changing the Instrument
You can change the instrument setting for a Real Instrument track. Each instrument
setting includes preset effects optimized for the instrument.
To change the instrument for a Real Instrument track:
1 Select the track, then click the Track Info button to open the Track Info window.
2 Select an instrument category from the list on the left, then select a track instrument
from the list on the right.
Select an instrument
from this list.
Use these controls to set
the input format and input
channel., and to turn
monitoring on or off.
Select an instrument
category from this list.