"Threnody for the Victims of Hiroshima, " also for string orchestra, uses techniques similar to those of " Polymorphy " but without the humor.
2.
These are issues such as taxonomy, polymorphy, mimicry, ant-association, migration or any such feature characteristic to that species and warranting a detailed treatment by itself.
3.
Penderecki's 1962 " Polymorphy, " for example, is an avant-garde work in which 48 strings produce an array of unearthly, cacophonous noises, but that ends with a surprise : a lush C major chord.