'Hangover' featuring Snoop Dogg is the follow-up single to Psy's previous release 'Gentleman' and features alongside a typically hilarious new video. The track is due to feature on his forthcoming new album which has yet to be announced.
Here are all the performances from the comeback series of 'Twin Peaks'.
He's embarking on his first ever solo arena tour.
The singer has donated half a million to relief efforts.
Pratchett died aged 66 in March 2015.