Listen to Why Why Can't You online. Why Why Can't You is a Tamil language song and is sung by Shankar-Ehsaan-Loy, Shankar Mahadevan, Raman Mahadevan, Aamir Khan, Bugs Bhargava, Loy Mendonsa, Shankar Sachdev, Vijay Prakash, Suraj, Shailendra, Jayalaxmi Ramachandran, R.N. Iyer and Raj Gopal Iyer. 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 2:10. Download Tamil songs online from JioSaavn.