Ravi Shankar, the Indian sitarist and composer whose collaborations with Western classical musicians as well as rock stars helped foster a worldwide appreciation of India’s traditional music, died Tuesday in a hospital near his home in Southern California. He was 92. Mr. Shankar had suffered from upper respiratory and heart ailments in the last year and underwent heart-valve replacement surgery last Thursday, his family said in a statement. Mr. Shankar, a soft-spoken, eloquent man whose performance style embodied a virtuosity that transcended musical languages, was trained in both Eastern and Western musical traditions. Although Western audiences were often mystified by...