We generally have a couple of landslides every year. The Music category isn't usually one of them. But then, we also don't usually have a notable film about music in competition.
Oh, did I just spoil this? Erp...
Third place:
Spring Breakers (original music by Cliff Martinez and Skrillex; music supervisor Randall Poster) [93 points / 15 votes]
Second place:
Her (score by Owen Pallett; additional music by Will Collins; music supervisor Ren Klyce) [113 points / 19 votes]
And your winner...