Sonic Solutions is a high-end CD compiler/red-book authorizer/editor for Mac. It's used in nearly every major-label mastering suite. Read about it here.
Someone mentioned how there's not a lot to take out of Soundtrack for a free version, and I'd agree. Plus, again, Soundtrack's not recording/editing/composing/mixing software-- it's loop arranging software. iTrack (or whatever it should be called) should be multitrack editing, mixing, effects, and maybe one or two Soundtrack-type tracks.
Originally posted by Audacity Works Sonic Solutions is a high-end CD compiler/red-book authorizer/editor for Mac. It's used in nearly every major-label mastering suite. Read about it here.