Classez ces groupes dans les catégories "rock", "pop", "metal" ou "indie". Metallica, Queen, One direction, Korn, Coldplay, Arcade fire, backstreet boys
métal : Metallica, Korn
rock : Queen, Coldplay
pop : One direction, Backstreet Boys
indie : Arcade fire
Categorize these bands as either 'rock', 'pop', 'metal' or 'indie'. Metallica, Queen, One direction, Korn, Coldplay, Arcade fire, backstreet boys
metal: Metallica, Korn
rock: Queen, Coldplay
pop: One direction, backstreet boys
indie: Arcade fire