Logic Studio is Apple's most powerful and complete music software package to date. It comprises a suite of tools: Logic Pro 8, a professional sequencer; Soundtrack Pro 2, a post-production program; MainStage, a live performance application; and a selection of superb utilities, instruments, effects and loops.

Logic Express 8 is the latest version of Apple’s middle-of-the-range music production sequencer. While it boasts more features than GarageBand, it’s essentially a cut-down version of Apple’s flagship music studio, Logic Pro 8