1. Music, mainly guitar: A musical phrase based on or around musical scales*. Riffs can be pre-prepared and repeated, or improvised on the spot and of indefinite length based loosly around the melody of the song.
Scales are a way of arranging musical notes so that they a cool to listen to. Basic scales for guitar include:
2.There is also an Arabic people called Riffs.
The lights went down and the lead guitarist then played a long, slow, sweet blues based riff that had the hairs standing up on the back of peoples necks.