Jazz, Rock, Gospel, Blues, Funk, R&B, Disco, Hip Hop, and even House all originated in Black America. Queer spaces in America also were also crucial in the development of House, Disco, and even Hip Hop
While the band Death did evolve into a reggae band and Bad Brains, the undisputed originators of hardcore did have a reggae component, I would have to say that punk rock roots are very much rock 'n roll.
Fun fact, the song "Buffalo Soldier" was directly inspired by The Banana Splits theme song.