1. Definition
     Practical demo    Example Illustration  

2. Melakarta Rāgams
     Shankarabharanam    Kanakangi    Mayamalavagowla    Ragavardhini    Vachaspati    Shanmukhapriya    Keeravani    Ratnangi    Ganamurti    Vanaspati    Manavati    Sooryakantam    Kokilapriya    Gayakapriya    Dharmavati    Hatakambari    Naganandini    Gangeyabhooshani    Chalanata    Shadvidamargini  

3. Janya rāgams
     Mohanam    Shivaranjani    Hamsadhwani    Abhogi    Amritavarshini    Gambhiranata  

4. See also

5. References

Graha Bhedam in Carnatic music is the process (or result of the process) of shifting the Tonic note (śruti) to another note in the rāgam and arriving at a different rāgam. Its equivalent in Hindustani classical music is called a murchhana.

Definition

Modal shift of the Tonic note to higher notes of a rāgam, while retaining the note's positions (swara sthānas – sthāna means position/ pitch), results in different rāgams. This is called Graha Bhedam.

Practical demo

A simple practical demonstration of Graha Bhedam can be taken up by playing the structure of a rāgam with the drone set to Sa (Shadjamam). Then if we keep playing the same keys/ notes, while shifting the drone to another note in the rāgam, to form the new śruti/ tonic note, the result is a different rāgam.

Example Illustration

When Graha bhedam is applied on Shankarabharanam's notes, it yields 5 other major Melakarta rāgams, namely, Kalyani, Hanumatodi, Natabhairavi, Kharaharapriya and Harikambhoji.

Notes on above table

• C as the base for Shankarabharanam is chosen for above illustration only for convenience, as Carnatic music does not enforce strict frequency/pitch structure. The Shadjam (S) is fixed by the artist as per the vocal range or the instrument's tonic note. All the other swarams are relative to this Shadjam, falling into a Geometric progression-like frequency pattern. This note is applicable to all tables that are illustrated further below in this page.
• The 6th Graha Bhedam of Shankarabharanam has both Madhyamams (Ma) and no Panchamam (Pa) and hence will not be considered a valid Melakarta (ragam having all 7 swarams and only 1 of each). This is only a classification issue with respect to Melakarta, while this structure could be theoretically used well to create good music (probably needs an expert). Hindustani classical raga lalit has 2 Ma and no Pa, however it has different Ga and Ni than this structure
• The gaps in the above table are for the missing swara positions in these ragams, which happens to be the Sharp / Flat notes in western music.

Melakarta Rāgams

Graha Bhedam can be applied on most Melakarta rāgams to yield other Melakarta rāgams (16 of the 72 do not yield any valid Melakarta scale). When applying such modal shift of tonic note, some results are not valid Melakarta rāgams (rules of the definition of Melakarta are violated). Example scenarios are missing Panchamam (Pa) or two of particular note (Rishabham (Ri), Gandharam (Ga), Madhyamam (Ma), Dhaivatam (Da) or Nishadam (Ni)).

Shankarabharanam

See Example Illustration in previous section.

Kanakangi

The Graha Bhedam derivative of Kanakangi is Kamavardhini and vice versa.

Mayamalavagowla

The Graha Bhedam derivatives of Mayamalavagowla are Rasikapriya and Simhendramadhyamam.

Ragavardhini

The Graha Bhedam derivative of Ragavardhini is Varunapriya and vice versa.

Vachaspati

The Graha Bhedam derivatives of Vachaspati are Charukesi, Gourimanohari and Natakapriya.

Shanmukhapriya

The Graha Bhedam derivatives of Shanmukhapriya are Shoolini, Dhenuka and Chitrambari.

Keeravani

The Graha Bhedam derivatives of Keeravani are Hemavati, Vakulabharanam and Kosalam.

Ratnangi

The Graha Bhedam derivatives of Ratnangi are Gamanashrama and Jhankaradhwani.

Ganamurti

The Graha Bhedam derivatives of Ganamurti are Vishwambari and Shamalangi.

Vanaspati

The Graha Bhedam derivative of Vanaspati is Mararanjani and vice versa.

Manavati

The Graha Bhedam derivative of Manavati is Kantamani and vice versa.

Sooryakantam

The Graha Bhedam derivatives of Sooryakantam are Senavati and Latangi.

Kokilapriya

The Graha Bhedam derivative of Kokilapriya is Rishabhapriya and vice versa.

Gayakapriya

The Graha Bhedam derivative of Gayakapriya is Dhatuvardani and vice versa.

Dharmavati

The Graha Bhedam derivatives of Dharmavati are Chakravakam and Sarasangi.

Hatakambari

The Graha Bhedam derivative of Hatakambari is Gavambhodi and vice versa.

Naganandini

The graha bhedam derivatives of Naganandini are Bhavapriya and Vagadheeshwari.

Gangeyabhooshani

The graha bhedam derivative of Gangeyabhooshani is Neetimati and vice versa.

Chalanata

The graha bhedam derivative of Chalanata is Shubhapantuvarali and vice versa.

Shadvidamargini

The graha bhedam derivative of Shadvidamargini is Nasikabhooshani and vice versa.

Janya rāgams

Graha bhedam can be applied to some of the janya rāgams to yield other janya rāgams. Unlike Melakarta rāgams, where strict rules are adhered to, in terms of which swaras can be chosen in a rāgam, janya rāgams do not have such rules. Hence, such modal shift of tonic note is valid on all swaras, but may not have been chosen as a rāgam, experimented, elaborated and composed. Hence they lead to theoretical rāgams, which have not yet been discovered (all combinations of notes exist, but no one has composed using a particular combination or experimented/ exposed to the world at large).

Mohanam

Mohanam rāgam and its graha bhedam derivatives are one of the key scales in use all over the world, especially East and South Asia. The other four derivatives are Hindolam, Shuddha Saveri, Udayaravichandrika (also known as Shuddha Dhanyasi) and Madhyamavathi.

Notes on above table

• C as the base for Mohanam is chosen for above illustration only for convenience, as Carnatic music does not enforce strict frequency/note structure. The Shadjam (S) is fixed by the artist as per the vocal range or the instrument's tonic note. All the other swarams are relative to this Shadjam, falling into a Geometric progression-like frequency pattern. This note is applicable to all tables that are illustrated further below.
• The gaps in the above table are for the missing swara positions in these ragams, which happens to be the Sharp and Flat notes along with F and B notes, in western music.
• If a Sharp / Flat key is chosen as tonic note and ONLY the black keys are played in a piano/ organ/ keyboard/ harmonium, then these 5 are the ragams played successively. That is if you have only black keys, with tonic note from C#, it is Shuddha Saveri. From D# it is Udayaravichandrika, from F# it is Mohanam, from A-flat it is Madhyamavathi and from B-Flat it is Hindolam.
• This statement is true for simplified ragam structure only. Ragams though are more complex in that there are phrases to use and phrases to avoid, gamakas, elongation of notes, a specific mood/ bhava/ rasa to be evoked while singing/ playing, etc. These cannot be captured well in scientific notations.

Shivaranjani

Shivaranjani rāgam and its Graha Bhedam derivatives are Revati and Sunadavinodini.

Notes on above table

• The difference between this set and Mohanam set shown above it, is that the 3rd note differs between E and D# (reference note purpose only). Hence, Shivaranjani differs from Mohanam by one note – G2 in place of G3, Revati differs from Madhyamavati by one note – R1 in place of R2, while Sunadavinodini differs from Hindolam in all notes other than S (as that step is equivalent of shifting down tonic note, Sa, by one note while retaining all other notes of Hindolam).

Hamsadhwani

Hamsadhwani rāgam and its graha bhedam derivative is Nagasvaravali.

Abhogi

Abhogi rāgam and its graha bhedam derivative is Valaji.

Amritavarshini

Amritavarshini rāgam and its graha bhedam derivative is Karnataka Shuddha Saveri.

Gambhiranata

Gambhiranata rāgam and its graha bhedam derivative is Bhupalam.

See also

References

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