They are at least 3 bands with the name Graven: 1-Black metal band from Germany.
Discography:
- 2000 - Of misanthropic Spirit (demo)
- 2001 - Barad Dür & Graven (split with Barad Dur)
- 2002 - Perished and Forgotten
- 2005 - The Shadows Eternal Call Official site: http://www.graven-horde.de/ 2-Graven was a Metalcore/Mathcore band in late 90s from Massachusetts that had the track "Dying Vision" on the 1999 "Metal is a Tough Business" Tortuga Records compilation.

Read more about Graven on Last.fm.