He is a member of Trio X with Joe McPhee and Dominic Duval and performs in Cosmosomatics with Sonny Simmons.
He worked at studios, weddings, and cocktail lounges in rock, rhythm and blues, country, jazz, and Brazilian music.
[3][4] Todd Jenkins describes Rosen and Duval as the "house rhythm section" for CIMP, given the number of recordings on which they have appeared.
[5]: 360 [6] In 2000, he joined Cosmosomatics, a quartet with saxophonists Sonny Simmons and Michael Marcus and bassist William Parker.
"[1] With The Cosmosamatics With Resonance Impeders With Trio X With Andrew Cheshire With Dominic Duval With John Gunther With Ivo Perelman With Mark Whitecage With others