David Leo Diamond (July 9, 1915 – June 13, 2005) was an American composer of classical music.

He was innate inside Rochester, New York and studied at a Cleveland Institute of Music and the Eastman School of Music under Bernard Rogers, also getting lessons from either Roger Sessions in New York City and Nadia Boulanger in Paris. He won the total of awards including triplet Guggenheim Fellowships, and is considered one of a leading Our contries composers of his generation. Diamond died at his zero in Brighton from heart failure.

Diamond's virtually all popular piece is Cycles (1944) for string orchestra. Among his more works come eleven symphonies (the survive inside 1993), concertos including two for fiddle, eleven string quartets , other chamber music, piano pieces and vocal music.

He likewise composed a idea heard on the CBS Radio Network broadcast "Hear It Now" (1950-51) & its TV successor, "See It Now" (1951-58). ([http://www.classicthemes.com/50sTVThemes/themePages/seeItNow.html])