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Carnatic raga

Melodic framework used in Carnatic music

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Through Tuple, India and South India

Origins and history

Carnatic raga classification

Janaka (Melakarta) ragas and Janya (Upanga) ragas

Janaka ragas, or Sampoorna ragas, are parent ragas from which more ragas are derived. As the name suggests, Sampoorna ragas are those in which all seven swaras are present. They are also called Melakarta ragas. These ragas have all seven swaras (notes) in their scales (only one of each swara, Sa, Re, Ga, Ma, Pa, Dha, Ni), following strict ascending and descending scales and are sung in all octaves. Example of melakartha ragas are: Shankarabharanam, Kalyani, Natabhairavi, Chala Nattai, Harikambhoji, Kharaharapriya, Mayamalavagowla, and Chakravakam. Janya ragas are derived from Janaka ragas (Melakarta ragas). They may have more or less than seven notes in their scales, zig-zag (vakra) notes that step up and down, and frequently have asymmetrical scales. Janya ragas are also called Upanga ragas. Examples of Upanga ragas are: Malahari, Mohanam, Begada, Shriragam, Hamsadhvani, Vasanta, Janaranjani, Hindolam, and Todi.

72 Melakartha ragas (Mathematical computation)

There are different types of swara sthayis, or note pitches, that lead to the total number of melakartha ragas. These different variations of swaras lead to more than one combination of the musical scale. The different variations in swaras are mentioned below. Using this, it is possible to mathematically ascertain the total number of melakartha ragas.

  • Sa (Shadja) - only one
  • Ri (Rishabha) - Shuddha, Chathushruthi, and Shatshruti Rishabha in increasing order of pitch
  • Ga (Gandhara) - Shuddha, Sadharana, and Antara Gandhara in increasing order of pitch
  • Ma (Madhyama) - Shuddha and Prathi Madhyama in increasing order of pitch
  • Pa (Panchama) - only one
  • Dha (Daivata) - Shuddha, Chatushruti, and Shatshruti Daivata in increasing order of pitch
  • Ni (Nishada) - Shuddha, Kaishiki, and Kakali Nishadham in increasing order of pitch

However, there are only some combinations that are allowed. For instance, only Shatshruthi Ri can combine with Antara Gandhara and only Chathushruti Rishabha can combine with Sadharana and Antara Gandhara. Likewise, the same principle holds good for Dha and Ni. If we label these swaras as Sa, Ra, Ri, Ru, Ga, Gi, Gu, Ma, Mi, Pa, Dha, Dhi, Dhu, Na, Ni, Nu.
The total combinations are:
a) 1 Sa X 1 Ra X 3(Ga, Gi, Gu) Ga + 1 Sa X Ru X 2 Ga (Gu, Gi) + 1 Sa X Ri X Gu = 6.
b) Ma, Mi =2
c) 1 Pa X Dha X 3 Ni (Na, Ni, Nu)+ 1 Pa X Dhu X 2 Ni (Nu, Ni)+ 1 Pa X Dhi X Ni =6
Multiplying these 3 combinations we get 72.

The 72 melakartha ragas are arranged in a cycle called katapayadi sutra, named due to the index of the raga; we can get the name of the raga and the exact swara combination. The first 36 melakartha ragas have suddha madhyama, whereas the next 36 ragas have prathi madhyama.

The 72 combinations of melakartha ragas gives rise to a wide variety of musical textures. Any sampurna raga is present in this 72 melakartha cycle. From these 72 melakartha ragas, there are more than a thousand janya ragas that contain more musical notations. While getting to know the details of a raga, it is important to know which sampurna raga the janya raga is derived from in order to know the swara types.

Janya ragas

Janya ragas are ragas that are derived from Janaka ragas (Melakarta ragas). They may have less than 7 notes in their scales, or have additional notes in them, zig-zag (vakra) notes that step and down, asymmetrical scales, etc. See full list of Janya ragas. E.g. of janya ragas are bilahari and hamsadhwani (derived from shankarabharana), sriranjani and darbar (derived from kharaharapriya) and so on.

Vakra ragas

Vakra ragas are janya ragas that have swaras arranged in a zigzag manner. For e.g. Raga Sri has the following arohanam and avarohanam : S R M P N S. S. N P M R G R S. Such a raga is called vakra raga.

Auḍava rāgas

Auḍava rāgas are janya ragas that have exactly five notes in ascending and descending scale (arohana and avarohana). Examples are :
1)Mohanam (S R G P D S. S. D P G R S)
2)Hamsadhwani (S R G P N S. S. N P G R S)

Shadava Ragas

Shadava rāgas are janya ragas that have exactly six notes in ascending and descending scales.

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