Apple GarageBand '09 - Manual (Page 117)

Appendix A Keyboard Shortcuts 117
Track Info pane
Show/Hide Track Info Command-I
Select next higher category or instrument Up Arrow (when Track Info pane
is open and either a category or
an instrument is selected)
Select next lower category or instrument Down Arrow (when Track Info
pane is open and either a
category or an instrument is
selected)
Move from instrument column to category column Left Arrow (when Track Info
pane is open and an instrument
is selected)
Move from category column to instrument column Right Arrow (when Track Info
pane is open and a category is
selected)
Learning to play
Automatic notation view 1 (in a Learn to Play lesson)
Show chord names 2 (in a Learn to Play lesson)
Show chord grids (guitar) /
Show left hand only (piano) 3 (in a Learn to Play lesson)
Show tablature (guitar) /
Show right hand only (piano) 4 (in a Learn to Play lesson)
Show tablature and standard notation (guitar) /
Show both hands (piano) 5 (in a Learn to Play lesson)
Show notation and animated instrument 8 (in a Learn to Play lesson)
Show animated instrument only 9 (in a Learn to Play lesson)
Show notation only 0 (in a Learn to Play lesson)
Easy view (piano lessons only) E (in a Learn to Play lesson)
Arranging and editing
Undo Command-Z
Redo Command-Shift-Z
Cut Command-X
Copy Command-C
Paste Command-V
Delete Delete
Select all Command-A
Split region Command-T
Join selected regions Command-J
Snap to grid Command-G
Action Shortcut