1)   PianoHead 1.0
PianoHead is a fun learning tool for every piano student. Watch your scores increase as you begin to master the fundamentals of music theory. PianoHead builds automaticity for note recognition, scales, intervals and key signatures.
MUSIC, MUSIC THEORY, PIANO, PIANO PRACTICE, DRILL AND PRACTICE, FLASH CARDS, ENTERTAINMENT, EDUCATIONAL, CASUAL, BRAIN,

 2)   Kba Complete 3.0
Easy to advanced ear training 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.
ear-training, ear training, music lessons, music theory, chords, intervals, rhythm, scales, music fundamentals, musicianship,

 3)   Melodic ID 2.0
HS/College ear training: unlimited, graduated melodic dictation (easy to advanced). 4 bar melodic dictation in all keys, simple and compound meters, with instant feedback, immediate scoring, and self testing.
ear-training, ear training, music lessons, music theory, chords, intervals, rhythm, scales, music fundamentals, musicianship,

 4)   Spell ID 3.0
Easy to advanced graduated music theory exercises with instant feedback, immediate scoring, and self testing, scales, intervals, chords, cadences, secondary dominants, 'borrowed' chords.
ear-training, ear training, music lessons, music theory, chords, intervals, rhythm, scales, music fundamentals, musicianship,