[2] Vasantha is suitable to be sung in evening and is considered an auspicious raga.
It is called a vakra audava-shadava raga, malathiga[1] structure is as follows (see swaras in Carnatic music for details on below notation and terms): This scale uses the notes shadjam, shuddha rishabham, antara gandharam, shuddha madhyamam, chathusruthi dhaivatham and kakali nishadam.
Vasantha has ample scope for alapana.
This scale has been used by many composers for compositions in classical music.
"Gowri Sukumari" by N.Ch.Krishnamacharyulu (More Ragam Panthuvarali touches) This section covers the theoretical and scientific aspect of this raga.