Conversation so far:
What did M.I.A. and Diplo have?
How did Diplo react to M.I.A.?
Diplo said, ...it was amazing... I always wanted to make a beat with her, but all my beats were really shitty at the time.“
What kind of music was Piracy Funds Terrorism Vol. 1?
Piracy Funds Terrorism Volume 1, usually referred to simply as Piracy Funds Terrorism, is a mixtape.
Was Piracy Funds Terrorism Vol. 1 successful?
Despite its unofficial status, the mixtape received general acclaim among critics. Several music publications included the mixtape in their listings of the best albums of 2004.

Question: Did they produce anything else?
Self-contained rewrite: Did Diplo and M.I.A. produce anything else besides Piracy Funds Terrorism Vol. 1?