William Thomas "Keter" Betts (July 22, 1928 – August 6, 2005) was an American jazz double bassist. Born in Port Chester, New York, he was nicknamed "Keter", a short form of the word mosquito. Graduated Chester Senior High in 1946 where he majored in music playing drums, tympani, tuba, glockenspiel, switching from drums to bass fiddle