QMidi

QMidi is the ultimate MIDI/Karaoke player for the Macintosh. It can organize and play many types of media files, including movies and CD+G, and allows easy text and chords editing/synchronization. It features real time pitch shifting, time stretching and the ability to display karaoke and movie content in full screen mode, even on a second monitor. QMidi has an intuitive user interface, which you will be able to use immediately. You can quickly make playlists of your favorite songs and play them sequentially. You can also use the library to organize your files similarly to iTunes.