Harmonic 313 has been played over 50 times on NTS, first on 4 April 2011. Harmonic 313's music has been featured on 53 episodes.

Harmonic 313 is a solo project of Mark Pritchard, making "Detroit-Style" Instrumental Hip-Hop. Mark also records/has recorded as Reload, Link, Troubleman, N.Y. Connection, William Parrott, and Roberto Edwardo Turner(The Returner).

Pritchard may be more well known as 1/2 of the groundbreaking electronica groups Global Communication and Jedi Knights, along with Tom Middleton.

His many other collaborative efforts include: Link & E621, The Chameleon, Secret Ingredients, and Reload & E621, all also with Tom Middleton. Harmonic 33 and Use of Weapons…