The xx drummer will release the song for Record Store Day on April 18
Producer and member of The xx will release solo album later this year
The producer played the track during his monthly takeover
The track will be released as a double A side on May 5
The untitled song was first performed at The xx's Night + Day festivals
The station has announced the line-up for its weekly late-night show
The producer does not know when the new material will be released