James "Jimmy" Dorsey (February 29, 1904 – June 12, 1957) was a prominent American jazz clarinetist, saxophonist, trumpeter, composer, and big band leader. He was known as "JD". He composed the jazz and pop standards "I'm Glad There Is You (In This World of Ordinary People)" and "It's The Dreamer In Me". During his early days as a musician, Jimmy Dorsey performed with various other ensembles and artists including the Scranton Sirens, The California Ramblers, Red Nichols, Jean Goldkette, Ben Pollack, and Paul Whiteman.

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