Description:
Thompson's popular Note Speller includes drills in notation and musical rudiments for the piano student. Notes are presented so that learning to read notes goes hand-in-hand with the student's piano lessons.

Thompson's Chord-Speller present the triads (including the Dominant and Dimiished Seventh Chords) in a manner that will enable the pupil to read them, write them and recognize them by sight or sound.

The Thompson Scale-Speller provides instruction on the structure of scales through the use of tetrachords and intervals.