Quick Amazon US search brings up Leadbelly: Take this hammer 2003 RCA B000092Q47 $13.98 (26 tracks including Good Morning Blues). Customer review 5 stars & comments on better quality sound than usual for Leadbelly recordings.

Hope this helps.

RtS
(one of my 60th birthday presents was the 4-CD "Last sessions", one CD entirely a capella with some singing and interjections from Martha Ledbetter, fascinating)