Listen to I'm A Man Of Constant Sorrow online. I'm A Man Of Constant Sorrow is an English language song and is sung by Lester Flatt and Earl Scruggs And The Stanley Brothers. I'm A Man Of Constant Sorrow, from the album Lester Flatt & Earl Scruggs And The Stanley Brothers Selected Sides 1947 - 1953, was released in the year 2005. The duration of the song is 2:59. Download English songs online from JioSaavn.