Improve sound quality from headphones, internal, or external speakers.
Display iTunes in a fullscreen, window, or kiosk, plus special Internet radio support modes.
Play the perfect piano.
Shortcut keys, song info and artwork: iTunes keyboard and menu bar controller.
Add MIDI options to GarageBand.
Semi-modular 32-note polyphonic software synthesizer.
Move the music you download from the Internet directly to iTunes library.
Add thickness to an audio signal using modulated detuned harmonies.
