There are at least six artists under the name Derf:

1. Derf is a post-hardcore / indie rock artist who was listed on two compilations: Echos From the Nation's Capital: A Washington, D.C. Compilation and Echoes of the Nation's Capitol (#2).

2. Derf is an electronic / techno artist from Brazil. He debuted on a compilation Compilado #5: Latinoamerica Unida. Derf has already released Arquetipos (SP) single and Endless EP on Loob label.

3. Derf is a hip-hop / rap artist from Montreal, Canada. He has released four singles: Kaioken, Crystal, Sushi and Slumped..
Soundcloud / Instagram / Twitter

4. Derf is a singer-songwriter who released an album Welcome home in 2012.
YouTube.

5. Derf is a dubstep artist from Chicago, Illinois. He released an album Derf! and an April EP.
Soundcloud / http://derfmusic.bandcamp.com

6. Derf is an electronic artist from Wiltshire, UK. He released four singles: Partay!!!, Well, that was fun, um.wav and mess.
http://derftrax.bandcamp.com Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.