Not sure whether it is in the right forum, so if it is do place it in the correct forum
Anyway, I thought that this thread could be some kind of link databank. Good links for musical studies. I'm not sure whether there is already such a thread though.
All you have to do is, if you find a good link. Just post it here and tell us what "topic" it is under, so that it will be easy for other members to find the type of links they are searching.