https://www.youtube.com/watch?v=xChcSPpl7ug It's one of the most haunting songs ever composed in Hindi cinema. The song has the pulse of a past lingering in the present, a present that seeks closure. Written by Gulzar's magical pen, rendered in Asha Bhosle's intensely moving voice and composed by the highly versatile R D Burman, 'Mera Kuch Samaan' was…