Musician Hariharan has recently lent his voice for a song in one of the most anticipated films of the year, 'Yanthram'. Revealing this, the composer and singer said it was delightful to be part of a Rajinikanth film, that too, in AR Rahman’s music. The song is the title track of the film, which is not to be confused with the introductory song, which, as always, is said to be rendered by SP Balasubramanyam.

Hariharan’s song is said to be the title track, which has the Robot singing, and Hariharan has revealed that he had to modulate his voice to sound like a robot for the song.

Apart from them, Yogi B has also lent his voice for a number in the film. The film is being directed by Shankar and produced by Sun Pictures, starring our Superstar Rajinikanth and Aishwarya Bachchan in the lead.