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.)
Music Theory
Music theory.net: Generic Intervals
A thorough description of generic intervals with a printable chart at the end of the lesson. MusicTheory.net provides illustrated examples, and highlighted vocabulary terms. (You may need to download Flash Player to view this site.)