Jhankaradhvani
Jhankaradhvani or Jhankaradhwani (pronounced jhankāradhvani) is a ragam in Carnatic music (musical scale of South Indian classical music). It is the 19th "Melakarta" rāgam in the 72 "melakarta" rāgam system of Carnatic music. It is called "'Jhankārabhramari" in Muthuswami Dikshitar school of Carnatic music. Structure and Lakshana. It is the 1st rāgam in the 4th "chakra Veda". The mnemonic name is "Veda-Pa". The mnemonic phrase is "sa ri gi ma pa dha na". Its "" structure (ascending and descending scale) is as follows (see "swaras" in Carnatic music for details on below notation and terms): (the notes in this  scale are "chathusruthi rishabham, sadharana gandharam, shuddha madhyamam, shuddha dhaivatham, shuddha nishadham") As it is a "melakarta" rāgam, by definition it is a "sampoorna" rāgam (has all seven notes in ascending and descending scale). It is the "shuddha madhyamam" equivalent of "Shamalangi", which is the 55th "melakarta". Asampurna Melakarta. Jhankārabhramari is the 19th "Melakarta" in the original list compiled by Venkatamakhin. The notes used in the scale are the same, but the zig-zag usage of notes in both ascending and descending scle ("vakra prayoga") is the difference. Section::::"Janya" rāgams. "Jhankaradhvani" has a few minor "janya" rāgams (derived scales) associated  with it. See List of "janya" rāgams for full list of rāgams associated with "Jhankaradhvani". Compositions. A couple of compositions set to this musical scale are: "Himachala kumarim bhaja" by Muthuswami Dikshitar is set to "Jhankārabhramari" rāgam. Related rāgams. This section covers the theoretical and scientific aspect of this rāgam. "Jhankaradhvani's" notes when shifted using "Graha bhedam", yields 2 other minor "melakarta" rāgams, namely, "Ratnangi" and "Gamanashrama". "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 "Graha  bhedam on Ratnangi".