Music – Accessories – Teaching devices
Patent
1990-05-29
1991-07-09
Hix, L. T.
Music
Accessories
Teaching devices
84473, G09B 1500
Patent
active
050295071
ABSTRACT:
A chord progression finder for determining each and every tone of a selected musical scale in a selected key note and each and every tone of its relative musical scales, as well as the various chords playable for the selected musical scale and its relative scales, while simultaneously providing information on which keys or frets of a musical instrument are to be played for producing the indicated tones. A base has printed information pertaining to a particular musical instrument and also fingering patterns for playing tones on that instrument arranged in a predetermined sequence indicative of any number of desired musical scales. A slidable, transparent first overlay is slidably connected with the base, and has printed thereon the letter designations for the muscial tones arranged in a predetermined sequence so as to cooperate with the fingering patterns on the base in order to selectively indicate to a user the finger positions on the subject musical instrument that will produce the tones of a selected musical scale and its relative scales. A slidable, transparent second overlay is also slidably connected with the base, and has thereon indicia indicative of chord numbers arranged in a predetermined numeric sequence. The base and the first overlay cooperate with the second overlay to indicate to the user the tones and finger positions on the subject musical instrument that will produce the specific chord voicings of the selected scale and its relative scales. These chords can then be used to form chord progressions, as the user may thereupon select.
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"Musical Merchandise Review", vol. 137, No. 11, Nov. 1978, pp. 30-31.
Bezeau Scott J.
Blankenship Howard B.
Hix L. T,.
Keefe Peter D.
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