Both John Davis and Blind Tom Wiggins are known for playing what musical instrument? 
John Davis (pianist): John Davis (born October 22, 1957) is an American classical pianist, concert performer, recording artist, and historian. Blind Tom Wiggins: Thomas "Blind Tom" Wiggins (May 25, 1849June 14, 1908, age 59) was an African American musical prodigy on the piano.
the piano