He has written songs for Celine Dion, Diana King, Jessica Simpson and Colleen Fitzpatrick.
[1][2][3] His songs, including "Shy Guy", "With You", and "Treat Her Like a Lady" have appeared on albums that have sold over 70 million copies worldwide.
King at Radio City Music Hall, and sessions as a keyboard player for with Madonna, Chaka Khan, and other hitmakers.
[6] Marvel found his biggest success working with Ric Wake on Celine Dion records.
There, surrounded by the latest music technology, he continues his pursuit of the Holy Grail in pop music: “an eclectic, unique sound that’s married to solid, memorable pop hooks.”[citation needed] Marvel's music has been covered by Maxi Priest, Jon Secada, Dream, Patti Austin, Jessica Andrews, Eternal, Nikki Webster, Jennifer Brown, and Garou.