Believing there was a limited audience for solo piano, Tatum formed a trio in 1943 with guitarist Tiny Grimes and bassist Slam Stewart, whose perfect pitch enabled him to follow Tatum's excursions. Tatum recorded exclusively with the trio for almost two years, but abandoned the trio format in 1945 and returned to solo piano work. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.