Musical scale and chord display appts. - has strip running under windows showing notes and chords of scale selected

摘要

A musical scale display appts. is suitable for quick finding of chords while learning to play an instrument. The appts. has at least one strip movable on its case for reading or setting marks on the scale. The marks correspond to a musical scale. The strip (3) is passed under at least one additional window in the case (2). The strip has a first longitudinal zone allocated to the musical scale (14) with marks for chords, near a second zone running under a window (7-9) with at least one series of reading areas (16) for chord inversion, spaced in accordance with the chosen musical scale.