Claims that atonality is unnatural while tonality is acoustically and historically natural.
http://www.greenwych.ca/atonal.htm - New window - Cached - Archive -
Interactive atonal set calculator for pitch class sets and twelve-tone rows. Enter one or two sets and find normal order, prime form, Forte number, interval vector, and symmetry.
http://ericandchar.com/atonal/ - New window - Cached - Archive -
A concise explanation of the Gregorian and Renaissance modes and their development in the Common Practice era.
http://www.standingstones.com/modeharm.html - New window - Cached - Archive -
