... were multi-ethnic hybrids with a variety of origins.
- The Bo Diddley beat, inspired by Afro-Caribbean music, caught on well with many performers putting it in their records, from Johnny Otis to Buddy Holly.
- A bass guitar riff was conveniently used by Elvis and Fats Domino among many others was from Cuban music.
- Mexican rhythms were popularized by Ritchie Valens.
- The swinging saxophone heard in the Fifties rock was derived out of the Forties Big-Band swing, along with the stop-time breaks.