Easy to advanced ear training sight singing and music theory exercises.Uunlimited graduated (easy to advanced) chord pitch interval rhythmic dictation and music theory exercises with instant feedback immediate scoring and self testing. These programs develop the ear and theoretical knowledge needed for improvisation composition and performance.There is one sure way to accurate music dictation - immediate scale step recognition. Pitch ID develops your ear to recognize any scale step or interval in the immediate key. Chord ID develops your ear to recognize chord progressions in pop Latin country rock and jazz styles. Rhythm ID develops and improves recognition of rhythm patterns in simple and compound meter.Spell ID provides music theory exercises in scale interval chord cadence and secondary dominant spelling .