Who is Winnetka Bowling League?
Matthew Bair (born June 2, 1987), known professionally as Matthew Koma, is an American singer, songwriter, DJ and record producer. Songs written by Koma include "Spectrum" and Grammy Award-winner "Clarity", both performed by Zedd. Koma has collaborated with Hardwell, Zedd, Miriam Bryant, Sebastian Ingrosso, Alesso, Afrojack, Tiësto, Vicetone and Ryan Tedder of OneRepublic.