18+ hosted a guest show on 10 February 2015. 18+ has been played over 20 times on NTS, first on 31 August 2014. 18+'s music has been featured on 22 episodes.

18+ is a leftfield R&B band consisting of musicians and visual artists Justin Swinburne and Samia Mirza, more commonly known as 'Boy' and 'Sis' respectively. Their first batch of recordings, a trilogy of mixtapes focusing on carnal desire entitled 'M1xtape', 'Mixta2e', and 'Mixtap3', turned heads instantly and landed the pair a record deal with Houndstooth. They've released two albums via the Fabric-owned imprint as well as putting out a remix EP featuring reworks from Babyfather & GAIKA.