The collaboration group consists of four French DJs: Atom and pFeL from Beat Torrent and 20Syl and Greem from Hocus Pocus.

[1] In September 2006, C2C won their fourth DMC (Disco Mix Club) team world championship title in a row.

DJ Atom and pFeL, founders of Beat Torrent, have performed almost one thousand concerts and have been featured in each other's album releases.

[4] The cover art of this album was done by design agency LVL Studio, and features a photograph by Wang Chien-Yang.

[6] Their album "Tetra" earned them 4 trophies out of 4 nominations during the 2013 edition of Victoires de la Musique, including “Best New Artist”, “Best Music Video”, and “Best Live Show”.

The award ceremony takes place at the Eurosonic Noorderslag music festival in Groningen, Netherlands.

“It brings another dimension to the show.”[11] C2C has released 6 music videos for their tracks featured on "Tetra": “F.U.Y.A.”, released on 7 December 2011, and features C2C in a castle corridor, with numerous duplicates, performing the various beats and sound-effects for the song in the video; “Down the Road”, originally released just as an official song video on YouTube on 22 January 2012, was re-released as a music video on 8 June 2012, featuring pro-skateboarder Richie Jackson interacting with a reality-bending skateboard; “The Beat”, released on 21 June 2012, features rotoscoped images of the C2C members playing the song to a variety of flashing shapes; “Arcades”, released on 8 August 2012, features a woman dancing with some mirrored and multi-patterned images; “Happy (feat.

Derek Martin)”, released on 12 December 2012, features a black and white film about a group of men joyously dancing at a roadside tent-church; and “Delta”, released on 25 September 2013, features an animated story of a civilization of blue aliens trying to fight against an inverted pyramid.