Style marker
Kurtis BlowRun-D.M.C.RakimLL Cool J

It was common in the '80s (and late '70s, and very early '90s) to end a rap line with this rhythmic figure on the third beat of a measure:

Notation in which the third beat articulates three of its four sixteenth notes, omitting the third.

It fell out of favor by the mid-'90s.

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SongPatterns is a catalogue of musical style and influence.