For a change a song from old days:
From Mangayarkkarasi
kaadhal kani rasame.....
http://www.youtube.com/watch?v=dXCR4Yje514
If it sound like "Naadha Thanumanisam Sankaram" you are not wrong. Here is naadha thanumanisam from Thyagayya (Telugu)
http://www.youtube.com/watch?v=hLUBp29lPqc
I posted this to bring back old memories ! :)