| The Madhyama Locus: Tonal Gravity, Structural Architecture, and Rasa Evolution in Ragas Keeravani and SimhendraMadhyama |
| The Melakarta system of Carnatic music provides a highly formalized, algorithmic framework for exploring the psychoacoustic and aesthetic impact of systematic intervallic variations. This research article presents an exhaustive musicological inquiry into the structural, acoustic, and emotional divergence between the 21st Melakarta, Keeravani, and its Prati Madhyama counterpart, the 57th Melakarta, SimhendraMadhyama. While both ragas feature identical configurations in six of their seven constituent pitches—employing Chathushruti Rishabha R2, Sadharana Gandhara G2, Panchamam P, Shuddha Dhaivata D1, and Kakali Nishada N3—the pivotal shift from the Shuddha Madhyama M1 to the Prati Madhyama M2 completely reconfigures the tonal gravity and architectural physics of the scalar spectrum.
Through an analytical review of traditional sancharas, lakshanas, and notation-based case studies of seminal compositions by the Carnatic Trinity—specifically Saint Tyagaraja’s Kaligiyunte and Muthuswami Dikshitar’s Pamarajanapalini—this paper argues that the fourth scale degree serves as the definitive structural axis of the heptatonic system. The M1 in Keeravani functions as a stabilizing, horizontal melodic anchor, diffusing intervallic tension to cultivate an internalized, contemplative Karuna and Bhakti Rasa. Conversely, the M2 in SimhendraMadhyama acts as an acute, ascending leading tone that exerts an intense vertical pull toward the Panchama, shifting the aesthetic temperament toward Vira heroic and Raudra intense/majestic rasas. The study further examines the practical performance implications of this shift on gamaka, proving that the proximity of M2 severely constrains and compresses the execution profile of the preceding Gandhara. By bridging mathematical scale taxonomy with emotive performance practice, this research provides a comprehensive musicological framework for understanding the functional duality of mirror-image ragas in contemporary Carnatic tradition.
Keywords: Keeravani, SimhendraMadhyama, Melakarta System, Madhyama Shift, Tonal Gravity, Acoustic Architecture, Rasa Theory, Gamaka Articulation, Carnatic Musicology, Comparative Sanchara Analysis.
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| Author: Ms Bhavana U
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Submitted on : 24-May-2026
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Arts : India/ Music/ Carnatic Classical Music |
| Journal ID : 0031-101-0336
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| Views: 27/ Downloads :0 |
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