Jamie xx has announced that his new single ‘Kill Dem’ will be released tomorrow (September 20) – listen to a teaser below.‘Kill Dem’ will be the follow-up to ‘Let’s Do It Again’, which was released in April. The track was Jamie xx’s first new music in two years and premiered on Zane Lowe’s show on Apple Music 1.Speaking about the track, Jamie xx said: “I started making it at a time when we weren’t sure when we were going to be able to do stuff.