In how many tone scale are all the known ragas grouped?

The Correct answer is 12 tone scale.

Key Points

• All known ragas in Indian classical music are grouped within the 12 tone scale.
• The 12 tone scale refers to the division of an octave into twelve semitones or pitches.
• In Indian classical music, these tones are represented as swaras, which include Sa, Re, Ga, Ma, Pa, Dha, Ni along with their variations like komal (flat) and tivra (sharp).
• This system provides the foundation for constructing different ragas by varying the sequence of swaras.
• The 12 tone scale is a universal concept also utilized in Western music theory, but it is adapted uniquely in Indian music with its microtonal nuances.
• Ragas are melodic frameworks that are built using specific combinations of swaras from the 12 tone scale.
• The system of grouping ragas in the 12 tone scale allows for a vast diversity of melodic possibilities, enabling the creation of thousands of ragas.
• Indian classical music emphasizes the emotional and spiritual impact of ragas, which are based on this fundamental tonal structure.