This program is designed to improve the ability to identify intervals and chords. Three separate formats include: Intervals, Basic Chords and Seventh Chords, making it suitable for both junior and senior high school use. Intervals is the most basic of the three programs and challenges the student with a variety of intervals which they must identify. Basic Chords presents arpeggiated chords in major, minor, diminished and augmented form. The chords may also appear in root or inverted position. Seventh Chords is the more advanced of the aural skills trainers and presents seventh chords in their various forms.