110. The Gershwin tune "I Got Rhythm" has proved especially amenable to contrafactual recomposition: the popularity of its "rhythm changes" is second only to that of the 12-bar blues as a basic harmonic structure used by jazz composers.
110. The Gershwin melody "I Got Rhythm" has been particularly well-suited to alternative reharmonization: its "rhythm changes" are second only to the 12-bar blues as a fundamental harmonic framework employed by jazz composers.