Grady, who was born Don Agrati, played drums, bass, piano, trumpet, and guitar. For a time he played with the Palace Guard, a folk-rock band. Later Grady joined Gary Zekley, a songwriter and producer, to establish a group called Yellow Balloon. In 1967, with the actor on drums, Yellow Balloon scored their only hit single, which took its title from the group's name. Yellow Balloon disbanded with just one hit and one album under their belts, along with a stop on American Bandstand with Dick Clark. Grady went solo, billing himself under his real name, a real switch from his time spent as the band's "mystery drummer," when he concealed his identity behind dark glasses and a wig.
In the ensuing years, Grady built up a list of credits in the music industry, including composer, arranger, and conductor. He penned "Keep the Dream Alive" for Jazz to End Hunger, a musical project that drew artists such as Herbie Hancock, Della Reese, Dianne Schuur, and Bobby McFerrin, among other notables. He composed original material for The Revolutionary War, a documentary presented by the Discovery Channel. Saxophonist Sam Riney's Top Ten crossover jazz albums featured Grady on the keyboard, as well as in the capacity of arranger and composer. Grady was the composer behind The Phil Donahue Show's theme song and the Democratic National Convention's opening song in 1996. He also contributed musically to features presented by HBO/Warner Bros., A&E Television Network, Universal Studios, and George Lucas Productions. Don Grady died from cancer in June 2012 at the age of 68. ~ Linda Seida, Rovi