However the question comes up frequently in all sorts of instrumental forums. A good web-friend of mine is Dr. Brian Blood, by work and marriage affiliated with the Dolmetsch recorder makers. Brian maintains an extensive website covering also music theory. I haven’t been through all of the theory pages there, as very little is new to me. Brian has a different approach than mine, but so far I haven’t found anything I disagreed with. Others apparently have the same opinion that I have:
http://tinyurl.com/MusicTheoryForDummiesRecommend
The Dolmetsch site is here:
http://www.dolmetsch.com/ourresources.htm
Theory:
http://www.dolmetsch.com/theoryintro.htm
Klaus