Digital Performer can record and play back digital audio without any additional hardware installed inside your Power Macintosh. Imagine being able to record anything: vocals, acoustic guitar, sound effects or anything else - right alongside your MIDI tracks. Forget about buying lots of extra gear. Now you can do it all with your Power Macintosh. All you need is a microphone connected to its audio input and a set of speakers connected to its audio output! All of your mixing and effects can be done in Digital Performer in real time.