Listen to Let a Frown Be Your Umbrella (Let a Smile Be Your Umbrella) online. Let a Frown Be Your Umbrella (Let a Smile Be Your Umbrella) is an English language song and is sung by Oscar the Grouch and Sesame Street's Farley. Let a Frown Be Your Umbrella (Let a Smile Be Your Umbrella), from the album Sesame Street: Oscar's Trashy Songs, was released in the year 1997. The duration of the song is 2:10. Download English songs online from JioSaavn.