Listen to I Let a Song Go out of My Heart online. I Let a Song Go out of My Heart is an English language song and is sung by Duke Ellington. I Let a Song Go out of My Heart, from the album Jazz Journeys Presents High Speed Swing - Duke Ellington (100 Essential Tracks), was released in the year 2013. The duration of the song is 3:06. Download English songs online from JioSaavn.