Listen to Feed The Birds (Tuppence A Bag) online. Feed The Birds (Tuppence A Bag) is an English language song and is sung by The Cast of Mary Poppins. Feed The Birds (Tuppence A Bag), from the album Mary Poppins Original Soundtrack - The Cast of Mary Poppins, was released in the year 2016. The duration of the song is 3:51. Download English songs online from JioSaavn.