Quasimodo is a bebop composition by Charlie Parker, written as a contrafact on the chord changes of George and Ira Gershwin's Embraceable You. Parker composed a new, intricate melody over the familiar harmonic framework, exemplifying the bebop practice of reinterpreting standard progressions with original melodic material. The tune features fast-moving, virtuosic phrases and complex rhythmic patterns characteristic of Parker's style, prioritizing melodic dexterity and sophisticated phrasing over harmonic novelty. By building on the well-known changes of Embraceable You, Parker created a vehicle that allowed improvisers already familiar with the underlying harmony to engage immediately with fresh melodic ideas. The composition was first recorded by a Charlie Parker Sextet that included Miles Davis on trumpet, J. J. Johnson on trombone, Duke Jordan on piano, Tommy Potter on bass, and Max Roach on drums, with the recording later appearing in various compilations. Within Parker's catalog, Quasimodo represents a deeper cut rather than one of his most widely performed standards like Ornithology or Yardbird Suite, but it holds significance as a clear example of how bebop composers advanced the art of contrafact writing. The tune has been covered by artists including baritone saxophonist Ronnie Cuber and remains available in sheet music form, serving both as a performance piece and a study vehicle for musicians exploring Parker's compositional methods.