James A. Cosby, Devil's Music, Holy Rollers and Hillbillies: How America Gave Birth to Rock and Roll, McFarland, 19 maggio 2016, pp. 190–191, ISBN 978-1-4766-6229-9.
«When done in swing time, early doo-wop became a popular form of rock and roll, and it was often slowed down to provide dance hits throughout the 1950s, and the genre was personified by successful groups like The Coasters and The Drifters.»