found: What's the use of gettin' sober, p1979:container (Red Nelson, vocalist) program notes (Nelson Wilborn, b. 1907)
found: Urban blues, volume 1 [SR] 1968:container (Dirty Red, vocals)
found: RootsWeb WWW site, Aug. 25, 2009:Social Security Death Index (Nelson Wilborn; b. Aug. 31, 1907; d. Mar. 1970; social security no. issued in Illinois)
found: Wikipedia, April 2, 2018(Red Nelson; born Nelson Wilborn, August 31, 1907, Sumner, Tallahatchie County, Mississippi; died March 1970, Chicago, Illinois; better known as Red Nelson or Dirty Red; an American blues singer and occasional guitarist)
found: Encyclopedia of popular music, 4th edition, accessed via Oxford reference online, April 2, 2018(Nelson, Red; born Nelson Wilborn, August 31, 1907, Sumner, Mississippi; a Chicago-based vocalist, and possibly a guitarist, but not a pianist, despite frequent reports to that effect; for a recording in 1947 he used the pseudonym Dirty Red)