Wiktionary
correspondences
n. (plural of correspondence English)
Wikipedia
Correspondences (Babbitt)
Correspondences is a 1967 musical composition by Milton Babbitt for string orchestra and synthesized tape. It was first performed at Carnegie Hall on 11 September 1968 by the Buffalo Philharmonic Orchestra with Lukas Foss conducting.
Usage examples of "correspondences".
Within months a half dozen letters had traveled the roads between Quincy and Monticello, and one of the most extraordinary correspondences in American history--indeed, in the English language--was under way.