Passarelli was a founding member of the Joe Walsh-led band Barnstorm, co-writing the hit "Rocky Mountain Way".

He later served as a contract player for a number of other acts, appearing in both session and live work.

Born in Denver, Colorado to a Mexican, Italian American family, Passarelli has played with a variety of rock musicmusicians, including Joe Walsh, Elton John,[3] Dan Fogelberg, Stephen Stills, Hall & Oates[4] and Italian musician Edoardo Bennato.

He served as a replacement for Dee Murray in the Elton John Band from 1975 to 1976, playing on the albums Rock of the Westies and Blue Moves.

With Elton John With Bernie Taupin With Dan Fogelberg With Edoardo Bennato[2] With Eric Carmen With Stephen Stills With Joe Walsh With Yusuf Islam With Daryl Hall List of bass guitarists