Listen to Sun's Gonna Shine in My Back Door Some Day online. Sun's Gonna Shine in My Back Door Some Day is an English language song and is sung by Flatt and Scruggs and the Foggy Mountain Boys. Sun's Gonna Shine in My Back Door Some Day, from the album The Foggy Mountain Boys - 50 Classic Tracks, was released in the year 2013. The duration of the song is 2:19. Download English songs online from JioSaavn.