According to the passage, how was Kool Herc's music different from Jamaican dub music? A Kool Herc blended rock, disco, and reggae music; Jamaican dub used mostly reggae. B Kool Herc’s music was created using funk and rock; Jamaican dub had roots in disco. C Kool Herc’s music and Jamaican dub both used the break-beat technique to extend percussion breaks. D Kool Herc’s music was loud; Jamaican dub music was quiet and soothing.