Original: In 1936, he added Lionel Hampton on vibes to form the Benny Goodman Quartet; in 1939 he added pioneering jazz guitarist Charlie Christian to his band and small ensembles, who played with him until his untimely death from tuberculosis less than three years later.
Simplified: In 1936, he added Lionel Hampton on vibes to form the Benny Goodman Quartet.