Conversation so far:
What is Mwng?
a largely acoustic album of Welsh language songs entitled Mwng.
What are some of the songs on Mwng?
CANNOTANSWER.
When did mwng come out?
Mwng in May 2000.

Question: When did Guerrilla come out?
Self-contained rewrite: When did songs on Guerrilla come out?