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The enigmatic scale (''scala enigmatica'') is an unusual musical scale, with elements of both major and minor scales, as well as the whole-tone scale. It was originally published in a Milan journal as a musical challenge, with an invitation to harmonize it in some way. Italian composer Giuseppe Verdi, who supposedly invented the scale〔Latham, Alison (2005). ''The Oxford Dictionary of Musical Terms'', p.159. ISBN 0-19-860698-2.〕 actually returned to composition with this, "arbitrary scale,"〔Willi Apel (1969). ''Harvard dictionary of music'', p.753. 2nd edition. ISBN 0-674-37501-7.〕 in his "Ave Maria (sulla scala enigmatica)" (1889, revised 1898), in response to a challenge printed in the Milan ''Gazzetta musicale'' to employ a musical conundrum.〔Barbara Meier (2005). ''Verdi'', p.133. ISBN 1-904341-05-5.〕 The "Ave Maria", compiled as part of the ''Quattro Pezzi Sacri'' (1898) (sacred pieces ), has been described as, "that still almost incomprehensible into-one-another-gliding of harmonies over the entirely 'unnatural' ''scala enigmatica''".〔University of Chicago (1955). ''Chicago Review'', p.31. Vol. 9.〕 The piece features the scale both in its harmonies and as a cantus firmus throughout the short piece〔Scott L. Balthazar, ed. (2004). ''The Cambridge Companion to Verdi'', p.180. ISBN 0-521-63535-7.〕 in half-note values in the bass and then each successively higher voice accompanying, "queer counterpoint which...is far-fetched and difficult of intonation; () the total effect is almost, if not quite, as musical as it is curious".〔 The scale, is as follows: ::C, D, E, F, G, A, B, C And has a formula of: 1 - 2 - 3 - 4 - 5 - 6 - 7. With the musical steps as following: Semitone, Tone and a half, Tone, Tone, Tone, Semitone, Semitone. The scale lacks a perfect fourth and a perfect fifth above the starting note. Both the fourth and fifth degrees of a scale form the basis of standard chord progressions, which help establish the tonic. The scale was used by guitarist Joe Satriani in his piece "The Enigmatic"〔 from ''Not of This Earth'' (1986), Monte Pittman with the song "Missing" on "The Power Of Three", and by pianist Juan María Solare in his piano miniature "Ave Verdi" (2013). ==Sources== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「enigmatic scale」の詳細全文を読む スポンサード リンク
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