- Information from Smithsonian Institute about the native Mexican folk music tradition. Includes a graphical timeline, music samples, videos, guides and background material for teachers.
- Basics about the major periods of classical (art) music, with terms, composers, RAM audio examples, and purchase links. From Essentials of Music, sponsored by Sony Classical and W. W. Norton.
- (Sung by church and chapel "bands" in the UK in the 18th and 19th centuries) Includes articles, sample scores and MIDI files, links, and organizations.