Listen is a music ear training program for students and individuals wishing to strengthen their perception of melodic and harmonic material, featuring a wide variety of matching and multiple choice exercises. Listen is used by thousands of music students in universities, high schools, with private teachers and at home.

Exercises include: single notes, melody, growing melody, intervals, triads, 7th, 9th, 11th and 13th chords, random atonal chords, interval identification, chord type identification, and inversion identification. Users work at their own pace, choosing materials such as keys, scale types, range, pace, chord sets, and many other options.