Released five years ago today, Charli XCX's visionary mixtape, 'Pop 2,' included so many of the sounds and people who would soon reshape pop music.

Charli has never been shy about collaborating and ‘Pop 2’ is full of co-productions. All but two songs boast a featured artist (and the whole thing was made with PC Music’s AG Cook), but ...

Charli XCX's 'POP 2' Mixtape Drops Next Week, Shares 'Out Of My Head' : All Songs Considered Carly Rae Jepsen, MØ and Caroline Polachek all appear on Charli XCX's second mixtape of 2017.