David Michael Ervin (born March 16, 1961 in Englewood, New Jersey, USA) is an American jazz funk keyboard player. He grew up in Altadena, California, where he began to take after his musical father DiFosco Ervin, a.k.a. Big Dee Irwin. DiFosco Ervin was a singer, songwriter, and recording artist who led the Doo-Wop singing group "The Pastels". At the age of 14, David combined elements of rock, funk and soul using analog synthesizers. Shortly thereafter David moved to digital keyboards and synthesizers.