NTS regular Arp has been hosting a show since 6 June 2016. Arp has been played over 70 times on NTS, first on 2 February 2017. Arp's music has been featured on 69 episodes.

Alexis Georgopoulos is a composer, producer and DJ based in New York, releasing work with Smalltown Supersound, Modern Obscure Music, RVNG Intl, Type, Mexican Summer, Georgraphic North and Opal Tapes.

He has collaborated with key figures from a range of disciplines, among them filmmakers Savanah Leaf, Frank Lebon and Paul Clipson, visual artists Tauba Auerbach and Darren Bader, choreographers Jonah Bokaer and Brittany Bailey, and musicians such as Jefre Cantu-Ledesma, Patricia and Neneh Cherry.

His work has been performed and presented in gallery and museum contexts such as MoMA PS1, Goethe–Institut, Brooklyn Academy of Music (BAM), Deitch Projects, Walker Art Center, The Kitchen, MoMA, New Museum, White Columns, 303 Gallery, Jacob's Pillow, and SFMoMA.