There are numerous artists with this name:
1) Raff - Scottish singer/songwrter.
2) Joachim Raff - Swiss composer, teacher and pianist.
3) An italo disco artist.
4) A Finnish hip-hop artist.
5) A French Punk/Oi band from the early 80's.
6) Hear ye, hear ye | www.lifestylermusic.com/raff