sentences:  The song, penned by Vairamuthu, has singers Hariharan and Madhushree singing.The fourth song in the album is "Athiradee" and is sung by A. R. Rahman and Sayonara, with lyrics written by Vaali.The fifth and sixth songs of the album are titled "Sahana" and "Sahara" — one being an upbeat rendition and the other being a soulful rendition of the same number.