[1] He later joined Max Webster for their album Universal Juveniles.

[2] Born in Toronto, Ontario, Canada, Stone worked on the Bud Matton Agency tour circuit and played in the band Symphonic Slam, whose self-titled and only album released in 1976 went gold in Japan.

He then joined Rainbow, and was voted the fifth best keyboardist in the world in the Japanese magazine Music Life in January 1978.

After performing on Long Live Rock 'n' Roll, he returned to Canada and played with Max Webster and singer B.

In 1991, Stone played on a demo by US prog metal band Vision.