Tags: artiana grande, backstreet boys, berklee, Britney Spears, celine dion, Christina Aguilera, College, Dr. Luke, ellie goulding, justin bieber, kary perry, Kelly Clarkson, mashup, max martin, Nicki Minaj, NSYNC, p!nk, polar music prize, sam lundell, School, snoop dogg, taylor swift, the weeknd, tori kelly, tribute, Usher
Max Martin Tribute (Samuel Lundell & Friends)
