Complex sentence: Jenn is currently working on a new album planned for release mid 2005, only one new track, "My Revenge On The World" has so far been heard, debuting in her recent Mexico City gig.
Split into simpler sentences: Jenn is currently working on a new album planned for release in mid- 2005. She debuted one of the tracks, "My Revenge On The World", at her recent Mexico City gig.