Listen to Why? Why Can't You online. Why? Why Can't You is a Tamil language song and is sung by Shankar Mahadevan, R. N. Iyer, Raman Mahadevan, Vijay Prakash, Loy Mendonsa, Suraj, Shailendra, Aamir Khan, Bugs Bhargava, Shankar Sachdev, Raaj Gopal Iyer and Jayalaxmi Ramachandran. Why? Why Can't You, from the album Wal Nakshatram (Taare Zameen Par), was released in the year 2008. The duration of the song is 2:07. Download Tamil songs online from JioSaavn.