Riffs

thumb|350px|Ostinato from Radiohead's "Creep" features [[modal mixture, common tones between adjacent triads (B between G & B, C and G between C+ & C−), and an emphasis on subdominant harmony (IV = C in G major).]]

In music, an ostinato (; , compare English obstinate) is a motif or phrase that persistently repeats in the same musical voice, frequently in the same pitch.

popular Mexican dance

short musical passage, riff, or rhythmic sound

specific 7-note rhythm and melody

musical riff or phrase

melody incorporated into multiple later musical compositions

folk song by Luigi Ricci, associated with Italy, particularly Naples