Symmetry: Rotational

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Ragas with ‘rotational symmetry’ (i.e. their specific swara set produces at least one murchana of itself) – e.g. if Gaurimanjari‘s swara wheel is rotated so that its tivra Ma position becomes the ‘new Sa‘, the original swara set (SrRGmMPdnNS) ends up unchanged
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(‘Messiaen’s modes of limited transposition‘)
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Symmetries: Mirror | Rotation | Palindr.
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• Raag Gaurimanjari •

S-rR-G-mM-P-d-nN-S An intricate ten-toned raga created by Ali Akbar Khan via blending ideas from across the Lalit–Gauri spectrum (Gaurimanjari: ‘Bouquet of Gauris’) – notable for its winding melodic motions and dense, crowded swara-space (some renditions employ all specific positions except komal ga). Its core form also possesses the ultra-rare property of rotational symmetry (i.e. the […]

 

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• Raag Sehera •

S-R-G-M-d-n-S Among the strangest of raga scales, Sehera’s six swaras are all spaced out in two-semitone jumps (akin to the Western Whole-Tone scale and the Carnatic Gopriya). The resulting symmetries summon a curious, centreless mood (also famous as the ‘dream sequence‘ of countless soundtracks) – best explored by sarangiya Sultan Khan, who described Sehera as “the […]