Carnatic Ragas

After spending a great deal of time studying the theory of North Indian music through the harmonium, we began to appreciate its great degree of usage. We learned in Appendices S4 and S5 of the faults and limitations of the harmonium. We took the harmonium and try to extract the harmony from it by understanding chords. After spending time on such a spectrum in North Indian music, it is important to take a quick peek in the only genre of music in India that does not use harmonium.

The Carnatic system of music is the music of South India. This form of music is considered to be the most purest forms, as it has retained most of its shape and form, while North Indian music is a fusion between Persian and Vedic music. By nature, Carnatic music is one of the most difficult music in the world. One of the many reasons for this is the complicated note system.

CARNATIC NOTATION

In the scale, there are twelve unique sounds in total. However, in Carnatic music, there are also four notes which are already acknowledged for before. Sa and Pa are immoveable notes. Ma only comes in two forms. This means, Ri, Ga, Dha, and Ni have more forms than merely “normal note” and “flat note.” Unfortunately, the theory of how to derive the notes is beyond the scope of this article. Here is the sixteen note scale of Carnatic music. Unlike Hindustani music, numbers are used to mark the positioning of notes.
S
R 1
R 2 , G 1
R 3, G 2
G 3
M 1
M 2
P
D 1
D 2, N 1
D 3, N 2
N 3

Notice how four notes have multiple names. For instance, R 2 can be called G 1. This is similar to Western music, where D sharp can be noted as E flat. The both notes sound exactly the same, but functionality is totally different.

The Vedic names for the sixteen notes go as follows.
S = Sadjamam (Tonic)
R 1 = Suddha Risabham (Lowest Ri)
R 2 = Catusruti Risabham (Fourth microtone Ri) same as G 1
R 3 = Satasruti Risabam (Highest microtone Ri) same as G 2
G 1 = Suddha Gandharam (Lowest Ga) same as R 2
G 2 = Sadharana Gandharam (Ordinary Ga) same as R 3
G 3 = Antara Gandharam (Cadenced Ga)
M 1 = Suddha Madhayamam (Lowest ma)
M 2 = Prati Madhyamam (Augmented ma)
P = Pancham (Fifth or Pa)
D 1 = Suddha Dhaivatam (Lowest Dha)
D 2 = Catusruti Dhaivatam (Fourth microtone Dha) same as N 1
D 3 = Satasruti Dhaivatam (Highest microtone Dha) same as N 2
N 1 = Suddha Nisadam (Lowest Ni) same as D 2
N 2 = Kaisiki Nisadam (Middle Ni) same as D 3
N 3 = Kakali Nisadam (Highest Ni)
Like with Hindustani music, notes in higher or lower octaves will receive an apostrophe (‘) in front of or behind the note, respectively.
Since more possibilities of notes form, due to a particular frequency belonging to a different swarasthana, more ragas can be formed. Their system of ragas is much more complex than North Indian system. While ten parent scales (thāts) and over one hundred ragas are known to the North Indian musicians, South Indian musicians recognize seventy-two parent scales (melakartas, South Indian equivalent of thāt) and over five thousand ragas.

Since the Carnatic system has real notes that can be represented on the keyboard, why is the South Indian system not picking up the harmonium? The question lies in purity of the music itself. It has been shown before that the harmonium is based on an equally-tempered scale. In reality, the twelve notes are not equidistant. It is the first reason why Carantic musicians reject harmonium; it cannot accompany their voice to the best extent. Even if it did, then it will not cut the high standards of mimicking the human voice. The gamaks, minds, and other complex vocal ornamentation cannot be reproduced by the harmonium.
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