A Comparative Study of Some of the Leading Music Systems of the 15th, 16th, 17th & 18th Centuries c13.12

यदा तु शुद्धगंधारे गंधारत्व प्रपद्यते । तदा द्विश्रुतिको ज्ञेयो मुखारीरागके यथा ॥