Heavy Metal DISBELIEF: More ‘Heal’ 20th-Anniversary Album Details Revealed March 23, 2010 Atomm Leave a comment German death metallers DISBELIEF will release a 20th-anniversary album, “Heal”, on May 21 via Massacre Records.Source German death metallers DISBELIEF will release a 20th-anniversary album, “Heal”, on May 21 via Massacre Records.Source