Benny Goodman even to use new fingering techniques. He had his old finger calluses removed and started to learn how to play his clarinet again—almost from scratch." Goodman commissioned compositions for clarinet and chamber ensembles or orchestra that have become standard pieces of classical repertoire. He premiered works by composers, such as "Contrasts" by Béla Bartók; "Clarinet Concerto No. 2, Op. 115" by Malcolm Arnold; "Derivations for Clarinet and Band" by Morton Gould; "Sonata for Clarinet and Piano" by Francis Poulenc, and "Clarinet Concerto" by Aaron Copland. "Prelude, Fugue, and Riffs" by Leonard Bernstein was commissioned for Woody Herman's big band, but
Benny Goodman produced by Albert Marx as a special gift for his wife, Helen Ward, and a second set for Benny. He contracted Artists Recording Studio to make two sets. Artists Recording only had two turntables so they farmed out the second set to Raymond Scott's recording studio...It was Benny's sister-in-law who found the recordings in Benny's apartment [in 1950] and brought them to Benny's attention. Goodman took the discovered recording to Columbia, and a selection was issued on LP as "The Famous 1938 Carnegie Hall Jazz Concert". Pianist and arranger Mary Lou Williams suggested to Hammond that he see guitarist Charlie