In music, a riff is an ostinato figure: a repeated chord progression, pattern, refrain or melodic figure, often played by the rhythm section instruments or solo instrument, that forms the basis or accompaniment of a musical composition. Though they are most often found in rock music, Latin, funk and jazz, classical music is also sometimes based on a simple riff, such as Ravel's Boléro. Riffs can be as simple as a tenor saxophone honking a simple, catchy rhythmic figure, or as complex as th… (More on Riff)