Complex sentence: Over the next several months Yim worked at perfecting a new album that was intended to be released exclusively in Australia when Edward inadvertently leaked a rough copy of the CD onto the internet via a popular file-sharing program.
Split into simpler sentences: Over the next several months Yim worked at perfecting a new album that was intended to be released exclusively in Australia. The proceedings went well until Edward inadvertently leaked a rough copy of the CD onto the internet via a popular file-sharing program.