Copland, Aaron. (1900–1990) [Diamond, David. (1915–2005)] Typed Letter Signed to David DiamondTyped letter signed from the important American composer to fellow composer David Diamond. June 18, 1974; 1 p. Copland writes: "Dear David, Sorry to have held on to the libretto so long. It seems like a 'monster' job to put all those words to music. I will not attempt to judge the play itself, knowing so well what music does to mere words. I rather regret that so much use was made of the rhyme sequence. In the reading, I found it a disturbing