Family, friends and colleagues are mourning the death of Oscar-winning film composer James Horner who died yesterday when his single engine airplane crashed 60 miles north of Santa Barbara, California. Horner was piloting the plane and there were no passengers. It is not immediately known what caused the tragic accident. Horner won the Oscar for his score for the 1997 James Cameron blockbuster "Titanic". He was also nominated for Cameron's "Aliens" and "Avatar" as well as "Braveheart", "A Beautiful Mind", "An American Tail", "Field of Dreams", "Apollo 13" and "House of Sand and Fog". The 61 year-old composer's other scores include "Glory", "Patriot Games", two "Star Trek" feature films and the 1990 Disney film "The Rocketeer". He was working on the score for Cameron's sequels to "Avatar" at the time of his death. For more click here.