Optik has been played over 10 times on NTS, first on 23 June 2014. Optik's music has been featured on 15 episodes.

There are two Optik's. 1- UK trance producer Toby Shew, producer of electronic music under two well-known aliases, Optik, in the trance genre, and Toby Shark, for his more progressive work.

2- An alias of Giorgio Canepa, an Italian house producer.