Although there are differences between "Worried Life Blues" and "Someday Baby Blues," over the years they have become blurred by various cover versions of the songs which use elements from both songs, often combined with new lyrics and variations in the music. To illustrate the lyrical differences of the originals, the first few verses are as follows:

Over the years numerous artists have covered "Worried Life Blues" or some mixture of it, "Someday Baby Blues," and other elements. Some of these versions include (all titled "Worried Life Blues" except as noted; albums in italics):