 As a vocal coach and producer, Lewis was featured on MTV's "Making the Band", Season 3 with Diddy and pop girl group Danity Kane.Diddy also enlisted Lewis to work on most of his album, where Lewis did vocal production for "Come to Me" working with Nicole Scherzinger, "Tell Me", working with Christina Aguilera, "Making It Hard" working with Mary J. Blige, string arranging for "Thought You Said" featuring Brandy, and co-wrote two songs with Diddy, "Crazy Thang" and "Claim My Place".In 2009, Rob Lewis was commissioned by Diddy once again to be on MTV's television series "Making His Band" where Lewis used his musical directing skills to assist Diddy in finding young, up and coming artists to create Diddy's new band for his forthcoming tour.