Doctor Jazz (a well kept site with lots of information regarding Jelly Roll Morton and others of his epoch)
Fondazione Atopos: Atopos Contemporary Classical Music
Gilbert Trythall (information about an excellent ear-training course developed by the fellow who put the country in "Country Moog")
OPENSOUND (an innovative Italian "production music" library)
St. Stephen's International School in Rome
Richard Trythall Channel on YouTube