Pitch Perfect - The Riff-Off

Riff off Spin the Wheel - Random Picker

Pitch Perfect: The Riff Off

MTO 21.1: Easley, Riff Schemes, Form, and the Genre of Early American Hardcore Punk

Pitch Perfect' Riff-Off Scene - An Oral History Behind the Scenes on Its 10-Year Anniversary

Aziz Ansari quote: I always have my setlist planned out, but the best

Pitch Perfect (soundtrack) - Wikipedia

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In Pitch Perfect (2013) Ester Dean's character sings S&M in the riff-off. Dean actually wrote this song which was then given to Rihanna for her album Loud (2010). : r/MovieDetails

Riff: Make Videos with Friends

Riff off Pitch Perfect 1&2 - playlist by Per Nilsson