Lession - 1 - Swrarawali Ex 12 song is a Carnatic vocal song from the Sangeetha Bala Haram released on 2016. Music of Lession - 1 - Swrarawali Ex 12 song is composed by . Lession - 1 - Swrarawali Ex 12 was sung by Hyderabad B. Siva. Download Lession - 1 - Swrarawali Ex 12 song from Sangeetha Bala Haram on Raaga.com.