Listen to Lecture Demonstration On Raga Alapana And Virutham In Tamil By Smtrvedavalli Pt - online. Lecture Demonstration On Raga Alapana And Virutham In Tamil By Smtrvedavalli Pt - is a Tamil language song and is sung by R. Vedavalli. Lecture Demonstration On Raga Alapana And Virutham In Tamil By Smtrvedavalli Pt -, from the album Rvedavalli - Manodharma - Raga Alap, was released in the year 2000. The duration of the song is 29:58. Download Tamil songs online from JioSaavn.