@book{84306,
	author = {Henderson, W. J.},
	title = {How Music Developed :},
	publisher = {Project Gutenberg,},
	year = {2013},
	address = {Salt Lake City, UT :},
	note = {Release date is 2013-08-14},
	url = {https://www.gutenberg.org/ebooks/43467}
}