Natabhairavi
Naṭabhairavi is a rāgam in Carnatic music (musical scale of South Indian classical music). It is the 20th "melakarta" rāgam in the 72 "melakarta" rāgam system. It corresponds to the Natural minor scale of western music system. Natabhairavi corresponds to the "Asavari thaat" of Hindustani music. In the Muthuswami Dikshitar school this rāgam is called Nārīrītigowla. "Natabhairavi" is known to be a rāgam that incites feelings of grandeur and devotion in the listeners. Structure and Lakshana. It is the 2nd rāgam in the 4th "chakra Veda". The mnemonic name is "Veda-Sri". The mnemonic phrase is "sa ri gi  ma pa dha ni". Its "" structure is as follows (see "swaras" in Carnatic music for details on the notations used): (this scale uses the notes "chatushruti rishabham, sadharana gandharam, shuddha madhyamam, shuddha daivatam, kaishiki nishadam") It is a "sampoorna" rāgam - rāgam having all 7 "swarams". It is the "shuddha madhyamam" equivalent of "Shanmukhapriya", which is the 56th "melakarta". Asampurna Melakarta. Nārīrītigowla is the 20th "Melakarta" in the original list compiled by Venkatamakhin. The notes used in the scale are the same, but the scales have "vakra prayoga" (zig-zag usage of notes in the ascending and descending scale). Section::::"Janya" rāgams . "Natabhairavi" has a number of popular "janya" rāgams (derived scales) such as "Bhairavi",’’Anandabhairavi’’,"Saramati", "Jaunpuri", "Hindolam" (sometimes "Hindolam" is also associated as a Janya of "Hanumatodi"), Darbari Kanada and "Jayanthasree". See List of "janya" rāgams for a full list of "Natabhairavi's" janya rāgams. Popular compositions. "śrī vallī devasenā pate" is a popular composition in "Natabhairavi", composed by Papanasam Sivan. "Parulaseva" by Poochi Srinivasa Iyengar is another well known composition in this rāgam. "Upacharamu jeseva", in janya ragam "Bhairavi" composed by Thyagaraja is also popular. Muthuswami Dikshitar's composition "śrī nīlotpalanāyike" is set to "Nārīrītigowla". Related rāgams. This section covers the  theoretical and scientific aspect of this rāgam. "Natabhairavi's" notes when shifted using "Graha bhedam", yields 5 other major "melakarta" rāgams, namely, "Kalyani", "Sankarabharanam", "Hanumatodi", "Kharaharapriya" and "Harikambhoji". For further details and an illustration of Graha bhedam of this rāgam refer Graha bhedam on Sankarabharanam. Even though Natabhairavi has quite evenly spaced "swara sthanas" (pitch positions, notes) like the other 5 in this group, it has not found as much importance in concerts. One is likely to find "Kalyani", "Todi", "Sankarabharanam" and "Karaharapriya" as the main ragam in concerts, more often than "Natabhairavi" by a big count. Except for madhyamam , all other swara prayoga(usage in practice) resemble "Shanmukhapriya". Especially, when one uses the notes from panchamam(P) to gandharam(G₂) in ārohaṇa and vice versa in Avarohana, this ragam can be easily confused to be "Shanmukhapriya" while actually.