Listen to Heaven Must Be Missing an Angel (From "Season 11: Episode 9") online. Heaven Must Be Missing an Angel (From "Season 11: Episode 9") is an English language song and is sung by The Winchester's. Heaven Must Be Missing an Angel (From "Season 11: Episode 9"), from the album A Supernatural Soundtrack: Season 11 (Music Inspired by the TV Series), was released in the year 2016. The duration of the song is 3:30. Download English songs online from JioSaavn.