Apple GarageBand '08 - Manual (Page 12)

12 Chapter 2 GarageBand at a Glance
A Beat ruler: Shows beats and measures (the units of musical time) in the timeline. You can click
the beat ruler to move the playhead to any point in the timeline.
B Tracks: You organize your music, record Real and Software Instruments, and shape their sound
in tracks. When you add a loop to a project, a new track is created. You arrange your music by
working with regions in tracks in the timeline.
C Playhead: Shows the point in the project that is currently playing, or where playback starts
when you click the Play button. Cut and copied items are pasted at the playhead position. You
can move the playhead to change what part of the project is playing.
D Arrange track: You can add Arrange regions to the Arrange track to define different sections of
a project (such as intro, verse, and chorus). You can copy and move the Arrange regions to
rearrange your project.
E Grid button: Choose a note value for the timeline grid, or choose Automatic to have the value
change when you zoom in or out.
F Automation curves: Add automation curves for volume, pan, and other parameters to a track,
then add and adjust control points on each curve to create changes over time.
G Regions: When you record a Real Instrument or Software Instrument, or add a loop, you create a
region in the timeline. You can copy and paste regions, loop and resize them, move and
transpose them, and make other changes to build the arrangement of your music.
H Master track: You can add automation curves to the master track to create changes to the
overall project volume, add a fade-in or fade-out, change the tempo, or transpose parts of the
project to a different key.
I Playhead Lock button: Click to unlock the playheads in the timeline and the editor, so that you
can see different parts of the project in the timeline and the editor.
J Scroll bars: Drag the horizontal scroller to move to a different part of a project. Drag the vertical
scroller to see tracks not currently visible.