January 2005, DeRenzo records his first CD entitled "Of Night and Day" with longtime friend and jazz pianist Tom Zink. On the project is founding Yellowjackets members Russell Ferrante and Jimmy Haslip. This release is followed up in January 2006 with the recording of "Core Beliefs" which included Bob Mintzer and Brian Hughes. March 16, 2007, ESC Records releases "Dante's View" which is a compilation of "Of Night and Day" and "Core Beliefs". November 2007, ESC Records releases "Step Inside LOVE, a jazzy tribute to The Beatles which features DeRenzo's recording of She's A Woman from "Core Beliefs".