"Spectrum" is a song by Russian–German electronic music producer Zedd. It features the vocals from American singer Matthew Koma. It was released as a single on June 4, 2012, and serves as the second single from Zedd's debut studio album Clarity. It was written by Koma and Zedd. An extended play of the track – featuring remixes by Armin van Buuren, Arty, Deniz Koyu, as well as Congorock – was relea... Wikipedia