Ratnangi


Ratnangi is a rāgam in Carnatic music. It is the 2nd melakarta rāgam in the 72 melakarta rāgam system of Carnatic music. It is called Phenadhyuti in Muthuswami Dikshitar school of Carnatic music.

Structure and Lakshana

It is the 2nd rāgam in the 1st chakra Indu. The mnemonic name is Indu-Sri. The mnemonic phrase is sa ra ga ma pa dha ni. Its structure is as follows :
The scale uses the notes shuddha rishabham, shuddha gandharam, shuddha madhyamam, shuddha dhaivatham and kaisiki nishadham. As it is a melakarta rāgam, by definition it is a sampoorna rāgam. It is the shuddha madhyamam equivalent of Jalārnavam, which is the 38th melakarta scale.

Asampurna Melakarta

Phenadhyuti is the 2nd Melakarta in the original list compiled by Venkatamakhin. The notes used in the scale are the same, but the ascending scale is different.
Ratnangi has a few minor janya rāgams associated with it, of which Revati is very popular. See List of janya rāgams for full list of scales associated with Ratnangi.

Compositions

Here are a few common compositions sung in concerts, set to Ratnangi.
The following composition is set to Phenadhyuti.
This section covers the theoretical and scientific aspect of this rāgam.
Ratnangi's notes, when shifted using Graha bhedam, yield two other melakarta rāgams, namely Gamanashrama and Jhankaradhwani. Graha bhedam is the step taken in keeping the relative note frequencies same, while shifting the shadjam to the next note in the rāgam. For further details and an illustration, refer to Graha bhedam on Ratnangi.