The winner of the 2010 Academy Award for Best Original Score was Michael Giacchino for the film "Up". It was his second nomination and first Oscar.

Giacchino, the Best Original Score Oscar winner ofr 2010 composed an original score for the Disney/Pixar animated film "Up!which was released in 2009.

A score is the music that underlies the film. The music can set the mood, change the page, and elicit emotions from the movie's viewer. It is not just one song, but is the entire body of musical work that accompanies the film. The score must be "original"- i.e.., have been written specifically for the film, not adapted from other material.

The winner of the Award for Best Original Score in a Motion Picture was determined by the votes of the composers who are members of the Academy.

Michael Giacchino accepts the 2010 Academy Award for Best Original Score for the film "Up".

• James Horner for Avatar: Horner has been nominated 10 times, and won twice.http://www.vanityfair.com/online/oscars/2010/03/oscars-giving-best-original-score-one-last-liste.html
• Alexandre Desplat for Fantastic Mr. Fox Desplat has been nominated twice before.http://www.imdb.com/name/nm0006035/awards
• Marco Beltrami and Buck Sanders for The Hurt Locker Beltrami has been nominated once before, but this is Sanders' first nomination.
• Hans Zimmer for Sherlock Holmes ZImmer has been nominated 8 times, and won once.http://www.vanityfair.com/online/oscars/2010/03/oscars-giving-best-original-score-one-last-liste.html
• Michael Giacchino for Up- Winner! Giacchino has been nominated once before, and won the Golden Globe in 2010 for Up.http://classicalmusic.about.com/b/2010/01/17/2010-golden-globe-winner-for-best-original-score.htm