"cut loose on one of the old-time Benny Goodman jump numbers."

Benny Goodman was a 20th century jazz musician and the leader of one of the most popular musical groups in America. He was known as the 'King of Swing'.

Goodman was an incredibly talented clarinet player, who launched the careers of many great jazz musicians through his bands, and continued to perform until almost the end of his life, eventually exploring classical music.  Listen on Spotify:  Blue Skies   King Porter Stomp

In this video, Benny Goodman is the solo clarinetist; the drummer is Gene Krupa: