Listen to I Let a Song Go out of My Heart Deep in a Dream online. I Let a Song Go out of My Heart Deep in a Dream is an English language song and is sung by Connee Boswell. I Let a Song Go out of My Heart Deep in a Dream, from the album Deep in a Dream, was released in the year 2013. The duration of the song is 3:12. Download English songs online from JioSaavn.