Let me begin this thread with the grand old man of Tamil Film Songs, who brought manmadha leelai into Tamil songs.

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பாபநாசம் சிவன் - Papanasam Sivan
September 26, 1890 - October 10, 1973

He received his formal music training from Noorani Mahadeva Bhagavatar and Samba Bhagavatar. He was also highly influenced by the famous singer Konerirajapuram Vaidyanatha Iyer.
He was born in Polaham, Tanjavur district, Tamilnadu.

A famous composer, Sivan was also known as Tamil Thyagayya. Using Classical South Indian as a base, Sivan created numerous hits popularised by M. K. Thyagaraja Bhagavathar and M. S. Subbulakshmi.


Source: http://www.carnatica.net/composer/papanasamsivan.htm
http://en.wikipedia.org/wiki/Papanasam_Sivan