Burt Bacharach, the pop composer, arranger, conductor, record producer, and occasional singer, whose hit songs spoke of romantic optimism, died on Feb.8 at his home in Los Angeles. He was 94.

Mr. Bacharach’s collaborated most frequently with the lyricist Hal David. Together they created songs like “The Look of Love,” “This Guy’s in Love With You,” “Close to You,” and the ever-popular “What the World Needs Now Is Love.”

In 1962, the team met Dionne Warwick, a gifted young gospel-trained singer from East Orange, NJ. Writing for The New York Times, Stephen Holden described that collaboration: They realized they had found the “rare vocalist with the technical prowess to negotiate the rangy, fiercely difficult melodies, with their tricky time signatures and extended asymmetrical phrases,” and they turned out a stream of hits for Ms. Warwick, like “Walk on By,” “I Say a Little Prayer,” and “Do You Know the Way to San Jose.”

He won two Academy Awards for best song: “Raindrops Keep Fallin’ on My Head,” and “Arthur’s Theme.” His original score for the 1969 film “Butch Cassidy and the Sundance Kid” won an Oscar for best original score for a nonmusical motion picture. In 1968, the Bacharach-David team conquered Broadway with “Promises, Promises,” which ran for 1,281 performances. In 1986, the AIDS fundraising anthem “That’s What Friends Are For” won the Grammy for song of the year.