'O Saathi' song teaser: Arijit Singh pours in all the emotions for this song from 'Shab'

'O Saathi' song teaser: Arijit Singh pours in all the emotions for this song from 'Shab' Arijit Singh, the man who has the power to emote every feeling of love (especially breakup) so http://www.bollywoodbubble.com/videos/o-saathi-song-teaser-arijit-singh-pours-in-all-the-emotions-for-this-song-from-shab/