heptachord


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heptachord

(ˈhɛptəˌkɔːd)
n
1. (Instruments) obsolete an instrument with seven strings
2. (Music, other) a musical scale consisting of seven notes
3. (Music, other) an interval of a seventh
References in periodicals archive ?
Many Renaissance theologians, such as Ficino, related the Mosaic seven-day creation week as a "metaphor" for the ordered process, according to the heptachord structure found in Plato's Lambda Formula (Rostvig, Configurations 17).
Seven heavenly spheres form a heavenly heptachord, whose every planet corresponds to a certain string of a kithara, i.
Also known as the heptachord, the seven-string lyre appears on many ancient Greek vases in the hands of Orpheus.
Bach's wish to complete the series of letter-names (which perhaps replaced an earlier intention to cover a simple heptachord, continuing the 'scissors' movement outwards to F and then stopping) must be the reason for the transposition of the overture from its original key of C minor.
For example, 6-Z3 [012356] is (abstractly) covered by/embedded in six different heptachord classes.