There are multiple artists with this name:

1) Bitch is the 1980s heavy metal quartet based out of Los Angeles known for their heavy S&M-themed image and lyrics

Current line-up:
Betsy Weiss aka Betsy Bitch - Vocals
Steve Kara - Guitar
Jay Dean - Guitar
Steve Gaines - Bass

2) Bitch was the Detroit-based member of the progressive folk duo Bitch and Animal. After Bitch and Animal split in 2004, Bitch released "Make This/Break This" as a solo project, and is currently touring as Bitch + the Exciting Conclusion.

3) Bitch is a gabber dance act from Falun, Sweden. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.