METALCAPM OPEN AIR FESTIVAL announce via 3 posts on their official facebook page that Metallers and Rockers TESTAMENT, NILE and EPICA has confirmed for Metalcamp 2012.

The bands have been confirmed for Metalcamp 2012:

MACHINE HEAD
AMON AMARTH
SABATON
HATEBREED
PARADISE LOST
TESTAMENT
ELUVEITIE
KATAKLYSM
PAIN
FINNTROLL
SODOM
KORPIKLAANI
EPICA
NILE
NAPALM DEATH
HEATHEN
GORGUTS
THE BLACK DAHLIA MURDER