Anthony John Medeski (born June 28, 1965) is an American jazz keyboards player and composer. Medeski is a veteran of New York's 1990s avant-garde jazz scene and is known popularly as a member of Medeski Martin & Wood. He plays the acoustic piano and an eclectic array of keyboards, including the Hammond B3 organ, melodica, mellotron, clavinet, ARP String Ensemble, Wurlitzer electric piano, Moog Voyager Synthesizer, Wurlitzer 7300 Combo Organ, Vox Continental Baroque organ, and Yamaha CS-1 Synthesizer (a "kids' toy"), among others. When playing acoustic piano, Medeski usually plays the Steinway piano and is listed as a Steinway Artist.