Garudadhvani

Garudadhvani or Garudadhwani is a rāgam in Carnatic music (musical scale of South Indian classical music). It is a janya rāgam (derived scale) from the 29th melakarta scale Shankarabharanam. It is a janya scale, as it does not have all the seven swaras (musical notes) in the descending scale. It is a combination of the sampurna raga scale Shankarabharanam and the pentatonic scale Mohanam.[1][2]

Garudadhvani
ArohanamS R₂ G₃ M₁ P D₂ N₃ Ṡ
AvarohanamṠ D₂ P G₃ R₂ S
Carnatic music
Tanjavur-style Tambura
Concepts
Compositions
Instruments
Melody
Sarasvati Vīṇā
Veṇu
Nādasvaraṃ
Goṭṭuvādyaṃ (Citra Vīṇā)
Violin
Percussion
Mr̥daṅgaṃ
Ghaṭaṃ
Morsing
Kanjira
Thavil
Drone
Tambura
Shruti box

Structure and Lakshana
Ascending scale with shadjam at C, which is same as Shankarabharanam scale
Descending scale with shadjam at C, which is same as Mohanam scale

Garudadhvani is an asymmetric rāgam that does not contain madhyamam or nishādham in the descending scale. It is an sampurna-audava rāgam (or owdava rāgam, meaning pentatonic descending scale).[1][2] Its ārohaṇa-avarohaṇa structure (ascending and descending scale) is as follows:

The notes used in this scale are shadjam, chathusruthi rishabham, antara gandharam, shuddha madhyamam, panchamam, chathusruthi dhaivatham and kakali nishadham in ascending scale, with kakali nishadham and shuddha madhyamam skipped in descending scale. For the details of the notations and terms, see swaras in Carnatic music.

This raga has shades of western music when played in fast pace.[1] Most of the notes are used without gamaka (without variation of pitch, oscillation around the notes or any analogous transitions between notes).[1]

There are many compositions set to Garudadhvani rāgam. Here are some popular kritis composed in Garudadhvani.

This section covers the theoretical and scientific aspect of this rāgam.

Scale similarities
  • Mohanam has a symmetric pentatonic scale, with the notes same as the descending scale of Garudadhvani. Its ārohaṇa-avarohaṇa structure is S R2 G3 P D2 S : S D2 P G3 R2 S
  • Bilahari is a rāgam which has the ascending and descending scales interchanged, in comparison with Garudadhvani. Its ārohaṇa-avarohaṇa structure is S R2 G3 P D2 S : S N3 D2 P M1 G3 R2 S[2]

Notes
  1. Alternate notations:
    • Hindustani: S R G M P D N Ṡ
    • Western: C D E F G A B C
  2. Alternate notations:
    • Hindustani: Ṡ D P G R S
    • Western: C A G E D C

References
  1. Ragas in Carnatic music by Dr. S. Bhagyalekshmy, Pub. 1990, CBH Publications
  2. Raganidhi by P. Subba Rao, Pub. 1964, The Music Academy of Madras
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