Conversation so far:
anything interesting?
Prior to the group's debut, some of the members were already involved in the entertainment industry.
what was lion heart?
CANNOTANSWER.
was lion heart a successful album?
The album was preceded by a single with the same name, which was released on digital music sites on March 17, 2008.

Question: who made the lion heart album?
Self-contained rewrite: Who made the lion heart album?