Yuvan Shankar Raja opening the concert with the theme from Mankatha. Later Tanvi Shah joins him for the song Gangster from Billa 2.

Yuvan Live @ KLIMF 2012 concert was held on 15 December 2012 at Bukit Jalil, Kuala Lumpur.

Additional info:

Tanvi Shah
http://en.wikipedia.org/wiki/Tanvi_Shah

Yuvan Shankar Raja is a Tamil film score and soundtrack composer, singer and occasional lyricist. He is the third and youngest child of musician and film composer Ilaiyaraaja.
http://en.wikipedia.org/wiki/Yuvan_Shankar_Raja