CKtrl is a frequent guest to NTS, appearing on various shows between 30 May 2015 and most recently on 8 November 2022. CKtrl has been played over 100 times on NTS, first on 28 February 2014. CKtrl's music has been featured on 82 episodes.

cktrl (“can’t keep to reality”) is British multi-instrumentalist, producer and DJ Bradley Miller from London.

Raised in Lewisham, south London, Miller learnt clarinet and saxophone, taught himself production, started DJing and got a show on online radio station NTS.

Miller self-released his debut EP, Forest, in 2015.

In 2020, Miller’ released the EP "Robyn" on the Touching Bass label.