词条 | Algerian scale |
释义 |
The Algerian Scale is a scale frequently used in Algerian, Berber, and North African music. The frequent use of 1.5 steps (a minor 3rd) in the scale contributes to a sound commonly associated with Moorish music. It is also defined as an eleven note scale with two augmented seconds. Jacques Ibert first used this definition in Escales (1924).[3] Scale formulaIn step notation:
or in decimals:
This formula gives the first octave only. In the second octave, the third step is 1 rather than 1.5, followed by a step of 1 rather than 0.5. This may be seen in image to the right. The lower octave shows an F{{sharp}} while the upper octave shows an F natural. This can also be notated as degrees in relation to the root note:
It can also be thought of as Harmonic Minor with a raised 4 in the first octave. Sources1. ^Middlebrook, Ron (1984). Scales and Modes in the Beginning, p.125. {{ISBN|0-89898-151-4}}. 2. ^Fischer, Peter (1996). Rock Guitar Secrets, p.160. Mel Bay Publications. {{ISBN|3-927190-62-4}}, {{ISBN|978-3-927190-62-7}}. 3. ^Robert Fink, Robert Ricci (1975). The Language of Twentieth Century Music: A Dictionary of Terms, p.3. Schirmer Books. {{ISBN|0-02-870600-5}}, {{ISBN|978-0-02-870600-9}}. External links
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