Music Theory
Music theory.net: Interval Trainer
This online quiz is a fantastic tool to check your knowledge of intervals. Keeps score, and can be customized to fit specific lessons (augmented intervals, diminished intervals, double accidentals.)
Music Theory
Music theory.net: Introduction to Chords
A thorough description of chords, roots, and triads. Provides illustrated examples as well as audio clips to supplement this lesson.(You may need to download Flash Player to view this site.)
Dallas Symphony Orchestra
Dallas Symphony Orchestra Kids: Organ
A concert hall organ can have as many as four keyboards, 244 keys, 32 pedals and 4,535 pipes. Use RealAudio or Windows Media Player to hear the organ alone or with the orchestra.
Dallas Symphony Orchestra
Dallas Symphony Orchestra Kids: Harpsichord
The harpsichord looks a little like a piano, but there are enough differences to place them in two different instrument groups even though both use keyboards. Use RealAudio or Windows Media Player to hear the harpsichord.
Music Theory
Music theory.net: Key Trainer
A terrific tool for music teachers and students! Test students' knowledge of key signatures with this online quiz. Click "toggle" to check answers along the way, or click "setting" to customize the quiz.
Other
Sound Feelings: Ten Amazing Free Sight Reading Tips
Although designed for the pianist, perhaps anyone could benefit from these practical self-reading tips.