▁v asant ā ) ▁is ▁a ▁ra ga ▁in ▁Car n atic ▁music ▁( mus ical ▁scale ▁of ▁South ▁Indian ▁classical ▁music ). ▁It ▁is ▁a ▁j anya ▁ra ga ▁of ▁S ury ak ant am , ▁the ▁ 1 7 th ▁Mel ak arta ▁ra ga . ▁According ▁to ▁P | Sub ba ▁R ao , ▁majority ▁opinion ▁is ▁that ▁the ▁ra ga ▁is ▁derived ▁from ▁May am al av ag ow la , ▁the ▁ 1 5 th ▁Mel ak arta ▁ra ga . ▁ ▁Vas anth a ▁is ▁suitable ▁to ▁be ▁s ung ▁in ▁evening ▁and ▁is ▁considered ▁an ▁aus p icious ▁ra ga . ▁ ▁Str ucture ▁Vas anth a ▁is ▁an ▁asym metric ▁scale ▁that ▁does ▁not ▁contain ▁pan ch am am . ▁It ▁is ▁called ▁a ▁v ak ra ▁aud ava - sh ad ava ▁ra ga , mal ath iga ▁ ▁structure ▁is ▁as ▁follows ▁( see ▁sw ar as ▁in ▁Car n atic ▁music ▁for ▁details ▁on ▁below ▁notation ▁and ▁terms ): ▁▁ ā ro ha ṇ a ▁: ▁ ▁av ar oh a ṇ a ▁: ▁▁ ▁This ▁scale ▁uses ▁the ▁notes ▁sh adj am , ▁sh ud d ha ▁r ish ab ham , ▁ant ara ▁g and har am , ▁sh ud d ha ▁mad hy am am , ▁ch ath usr uth i ▁d ha iv ath am ▁and ▁k ak ali ▁n ish ad am . ▁ ▁Popular ▁compos itions ▁ ▁Vas anth a ▁has ▁am ple ▁scope ▁for ▁alap