MUSICAL NOTATION

摘要

MUSICAL NOTATION A keyboard comprises a front row of keys and a rear row of keys corresponding to respective whole-tone scales a semitone apart. the rear keys are symmetrically staggered between the front keys. Musical notation for use with the keyboard comprises a stave with lines arranged in pairs, the width of the space between adjacent pairs being substantially double the width of the space between the lines of a pair. The notation includes note-heads 11, 12 positioned in relation to the stave lines, there being two types of note-head distinguished by coloration, corresponding respectively to the two rows of keys 16,17.