If the Almighty himself played the violin, the credits would still read 'Rubinstein, God, and Piatigorsky', in that order.
Source: Whenever Heifetz played in trios with Arthur Rubinstein (piano) and Gregor Piatigorsky (cello), Rubinstein always got top billing. Los Angeles Times, 29 Aug 1982
-- Jascha Heifetz, (Feb 2 1901-1987), Russian-US classical violinist; He was a child prodigy noted for his conscientious musical interpretation, smooth tone, and technical proficiency; considered the best of the century.