[citation needed] His father Ray Gillette was a trombonist, playing with acts such as Harry James, Tommy Dorsey, Stan Kenton, and other big bands.

As its reputation as a premier horn band grew, Tower of Power toured with Heart, Rod Stewart, and The Rolling Stones, among others.

[citation needed] After a 25-year absence, Gillette rejoined Tower of Power in August 2009 for touring,[5] replacing Mike Bogart; but he left the band again after just more than a year and a half on February 14, 2011.

The final version of MGB included Megan Gillette, vocals, Andres Soto, Tenor Sax, Jason Stewart, Guitar, Mark Foglia, Drums, Ryan Habegger, Trumpet and Keys, and Clinton Day on Bass and vocals., [4][6][7] Gillette spent much of his time teaching doing clinics at middle schools & high schools.

[6] He was featured on "Hip Li'l Dreams", a disc of originals released by the Sons of Champlin in 2005 and appeared on the Doobie Brother's Live at Wolf Trap DVD.

[9] Gillette also performed with vocalist Josh Pfeiffer in Northern California with an eight-piece group featuring guitarist Dave Schramm and keyboard player Kent Gripenstraw.