The Original Score category is always tricky at the Oscars, mostly because the few precursors do not overlap with Academy voters. That being said, this is a lot of good publicity for potential contenders Antonio Sanchez and John Powell.
Best Original Score (Feature Film) - Antonio Sanchez "Birdman"
Best Original Score (Sci-Fi/Fantasy Film) - Howard Shore "The Hobbit: The Desolation of Smaug"
Best Original Score (Animated Film) - John Powell "How to Train Your Dragon 2"
Best Original Score (Documentary) - Mark Adler "Merchants of Doubt"
Best Original Score (Indie Film/Short) - Julia Pajot "Impulsion"
Best Original Score (TV/Digital) - Alan Silvestri "COSMOS: A Spacetime Odyssey"
Best Original Score (Video Game) - World of Warcraft: Warlords of Draenor
Best Original Song (Film) - Begin Again - Lost Stars
Best Original Song (Animated Film) - The Lego Move - Everything is Awesome
Best Original Song (Documentary) - Coming Home - Stopping for Death
For the full list of winners check out: http://www.hmmawards.org/