Lionheart

There are several bands with the name Lionheart:

1) The first was a rock band from the UK which existed from late 1980 until 1986.

2) The second was a Rock Against Communism band also hailing from the United Kingdom which was founded in the late 80's and existed into the mid 90's.

3) A modern band which takes the name calls its genre Bay Area Hardcore.
Sounds like Born from Pain

4) Lionheart is one of America's leading ensembles in vocal chamber music. It is best known for its interpretation of medieval and Renaissance a cappella music, with Gregorian Chant as the keystone of its repertoire.