Aside from it's hideously ugly design, this website offers a lot of great information and recordings for you and your students if you are studying baroque music.

This is a wonderful introduction to Latin music for your students to explore!

PBS offers an amazing companion site to the 2000 Ken Burns documentary, Jazz.

This is a great place to go with your students to explore medieval and renaissance instruments. You can see pictures of authentic reproductions, and hear them being played.

This may seem like a small thing, but the ability to print sheet music on demand is vital to music educators and students alike. This is an invaluable resource for your students!

This is one of the most useful music education resources I have ever found. I use it with all of my students, from beginners all the way to AP Music Theory. The webpage is completely downloadable and can be accessed offline.

This is a great resource for teaching AP Music theory. It contains harmonic and melodic dictation and listening exercises, and contextual listening. Unfortunately, it is no longer completely free.

These are TED Talks specifically about music, music technology, and the changing world of music making.

Choral teachers have access to countless public domain music, ranging from ancient classics to modern compositions released to the public domain by the composers.

An outstanding resource for music educators categorized and tagged based on topic. Fantastic!