Mike Portnoy * Billy Sheehan * Tony Macalpine * Derek Sherinian. Four virtuoso musicians play and discuss their influences and their past. CLICK TO WATCH TRAILER

If you are a musician, you should certainly know these four outstanding artists. I would venture that every drummer in the world knows the work of Mike Portnoy. The play on words "instruMENTAL inspirations" tells the story. Whether you are a musician or not you will be entertained and inspired as you listen to their performances and hear their stories.