@book{32163,
	author = {Apel, Willi},
	title = {Harvard dictionary of music.},
	publisher = {Belknap Press of Harvard University Press},
	year = {1969.},
	address = {Cambridge, Mass.},
	edition = {2d ed., rev. and enl.},
	note = {Restricted to musical topics, omitting biographical articles.}
}