American songwriter and musician. Songs written by Koma include "Spectrum" and Grammy Award-winner "Clarity", both performed by Zedd. Koma has collaborated with artists such as Shania Twain, Britney Spears, Hilary Duff, Hardwell, Zedd, Miriam Bryant, Sebastian Ingrosso, Alesso, Afrojack, Tiësto, Vicetone, Ryan Tedder of OneRepublic, and others