Magadini has recorded and performed with George Duke, Diana Ross, Bobbie Gentry, Al Jarreau, Buddy DeFranco, John Handy and Mose Allison.

[1] Magadini's professional career began recording singles for Lee Hazlewood and Lester Sill while attending high school in Phoenix, Arizona.

[2] During his time in San Francisco he formed a trio with keyboardist George Duke, also a student at the Conservatory, and performed with the Oakland Symphony Orchestra.

In 1968, while teaching at his alma mater, Magadini was awarded a fellowship to perform with The Berkshire Music Festival Orchestra at Tanglewood.

[8] In 1976 Magadini produced Polyrhthym, for IBis Records, featuring himself, George Duke, Don Menza and Dave Young.