Calculator for guitar chords

Calculator for guitar scales

Choral keyboarding non-note reading methodology

Chord constructer

Chord display apparatus and storage medium

Chord display device for fretted string instrument

Chord fingering coordinator

Chord indication apparatus and method, and storage medium

Chord indicator for instruments having organ and piano-type keyb

Chord key calculator assembly

Chord key for musical instruments

Chord progression based techniques and tools for learning to...

Chord progression finder

Chord progression selector

Chord selector for keyboard musical instruments

Chord speller

Chromatic music notation system

Clef and scale indicator for music instruments

Coded card for use in a melody playing apparatus

Color-coded melody text and method of teaching