There are at least two bands using this name:

1. Barabbas is a French doom metal band from Combs-la-Ville formed in 2007.
Line-up is:
Saint Jérôme Bass (2007-present)
Saint Jean-Christophe Drums (2007-present)
Saint Stephan Guitars (2007-present)
Saint Rodolphe Vocals (2007-present)

2. Barabbas is a German doom metal band from Leipzig formed by 3 brothers in 2005. They got their name from the Bible's criminal Barabbas who was left free instead of Jesus. Their album Golgotha is inspired by the book Barabbas by Pär Lagerkvist which tells the tale of Barabbas seeing Jesus put on the cross in a place meant for him. The album is instrumental. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.