A Comparative Study of Some of the Leading Music Systems of the 15th, 16th, 17th & 18th Centuries c3.s1.1

शुद्धाः सप्तस्वराः कार्यो रिधौ तेषु च कोमलौ।
तोडी सुरागिणा ज्ञेया ततो गायकनायकैः॥