Dave Dreiwitz was born on January 2, 1966 in New York City, New York to traditional jazz musician parents, Richard and Barbara Dreiwitz. In 1985, at the age of nineteen, Dave joined the Hoboken, New Jersey based psych rock band Tiny Lights, his first professional band out of high school. In 1986, while attending Rutgers University in New Brunswick, New Jersey, he met fellow schoolmate and drummer Scott Byrne and through a love of similar music, they started the rock band Instant Death in 1991. Instant Death dissolved with the passing of Byrne in 2005. In 1997, Dave joined Ween. Dave also performs in the Led Zeppelin instrumental tribute band, Bustle In Your Hedgerow. He occasionally plays bass with Chris Harford and the Band of Changes, The Marco Benevento Trio and Old Rugged Sauce as well as in his own drum and bass duo, Crescent Moon, which features Dreiwitz on bass alongside various guest drummers. Crescent Moon drummers have included Claude Coleman, Chris Harfenist from the Sound of Urchin, Eric Slick of Dr. Dog and Joe Russo of Furthur. He has also performed with the Moistboyz, The Gene Ween Band, Andrew Weiss, Russell Batiste, Billy Martin, Lunar Bear Ensemble with John Richey, John Kruth, Peter Stampfel of The Holy Modal Rounders, Fishermen's Stew, Brook Benton, Hal Willner, Sam Shepard, John S. Hall, King Missile (Dog Fly Religion), Jack Petruzzelli, Greg Di Gesu, Robert Musso Trio, Clem Snide, Joan Osborne and Sparklehorse.