Neffex is an American musical duo composed of Bryce Savage and Cameron Wales. They produce remixes and original songs characterized by a mixture of electronic and rap genres. Bryce writes lyrics and sings whereas Cameron creates the instrumental and does the editing. They have released many of their songs royalty-free.According to YouTube, some of their most popular music videos are of the songs Fight Back, Rumors, Grateful, Careless, Cold, and Never Give Up, each with over 30 million views. Destiny, Best of Me, Failure, and Soldier have more than 20 million views each.