Moose the Mooche

"Moose the Mooche" is a bebop composition by Charlie Parker, written in 1946. It is a contrafact on George Gershwin's "I Got Rhythm," using the standard 32-bar AABA rhythm changes form in the key of B-flat. The melody is a characteristic Parker creation, combining rapid scalar runs and chromatic twists with a playful, frolicsome energy that balances sly tension against exuberant swing. Parker composed the tune on the way to a recording session at Radio Recorders Studios in Hollywood, reportedly writing it in the car and finishing it upon arrival. The title references Emry "Moose the Mooche" Byrd, Parker's heroin dealer in Los Angeles, reflecting the personal struggles that shadowed the composer's life during this period. The original recording was made on March 28, 1946, for Dial Records, with a septet including Miles Davis on trumpet, Lucky Thompson on tenor saxophone, and Dodo Marmarosa on piano. As a composition, "Moose the Mooche" exemplifies Parker's prolific approach to building new melodies over familiar chord progressions, a method he employed across many of his best-known works such as "Ornithology" and "Donna Lee." The tune holds a firm place in the bebop repertoire and is regularly performed at jam sessions and in jazz education settings, where rhythm changes remain a foundational harmonic framework. It has been recorded by numerous artists across decades, serving as both a showcase for bebop vocabulary and a testament to Parker's melodic inventiveness.