Complex sentence: Soule originally offered to autograph the soundtrack on its release in the US; however he stopped his offer when email feedback revealed many were intending to pirate his work through the peer-to-peer file sharing software Napster instead of buying it.
Split into simpler sentences: Soule originally offered to autograph the soundtrack on its release in the US. He, however, stopped his offer when email feedback revealed many were intending to pirate his work through the peer-to-peer file sharing software Napster instead of buying it.