At this point, Dr. Music joined forces with the Canadian duo Terry Black and Laurel Ward, which led to a more vocal-driven sound for the band.
Because of the number of singers in the band, this album had a gospel-rock feel, although it still fit within the jazz rock genre.
This group recorded the album Bedtime Story at Toronto Sound Studios during February and March 1974.
He collaborated on more than 300 recordings with musicians such as Moe Koffman, Anne Murray, David Clayton-Thomas, Gordon Lightfoot, the Brecker Brothers, Bob Seger, Ray Charles, Molly Johnson, and Natalie MacMaster.
He also recorded a number of solo albums including Dreams (1976), Freedom (1990), Con Alma (1994), and A Lazy Afternoon (1997).
Brenda Russell (née Gordon), a member of Dr. Music in 1972, recorded nine solo albums and wrote "Piano in the Dark," which received three Grammy Award nominations.
Together with lyricists-composers Allee Willis and Stephen Bray, she wrote the score for the 2005 Broadway musical version of Alice Walker's The Color Purple, produced by Oprah Winfrey.