The Music Discussion Network makes it easy for students, teachers, musicians, and enthusiasts to Explore Music History & Culture. MDN features a wide variety of music: popular, jazz, blues, world, theatre, film, TV, and classical.
MDN offers Instructional Videos (informed by various ideas), Complete Pieces (as streaming media), Other Resources (such as lyrics, reviews, and sheet music), and Additional Information (about recordings, etc.) – and you can Contribute to Discussions (by opening a free account).
See MDN's Topics or Search/Browse by Name, Title, Place, Year, Genre, and so on.
This website provides all of MDN's materials. The instructional videos are also available at MDN's YouTube Channel, but why not use them here?!