Short description of Acoustic Labs Multitrack Recorder 3.3: The Acoustic Labs Multitrack Recorder is an easy-to-use multitrack recorder, editor and mixer allowing users to create professional quality audio productions. The capabilities of the Multitrack Recorder are perfect for producing music and a variety of other audio production needs. As with all of our software products, the Acoustic Labs Multitrack Recorder emphasizes ease-of-use without sacrificing a powerful set of features.