Hans Zimmer is the composer of the music for "Sherlock Holmes." Here, he plays guitar at the premiere of "Pirates Of The Caribbean" in 2007.
(Vince Bucci/Getty Images)
James Horner was nominated this year for his score for "Avatar." He received two Oscars in 1998 for the music he composed for "Titanic."
(Hal Garb/AFP/Getty Images)
Marco Beltrami and Buck Sanders composed the score for "The Hurt Locker." Beltrami and his wife attended the 80th Annual Academy Awards.
(Frazer Harrison/Getty Images)
One composer will be awarded the Oscar for best musical movie score on March 7, 2010.
(Dave B/by)