found: Songlines top of the world compilation CD. Issue 37 [SR] p2006:label (Hugo Diaz)
found: National Geographic world music WWW site, Jan. 4, 2008(Hugo Diaz; b. Aug. 10, 1927, Santiago de Estero, Argentina; harmonica player of tangos)
found: Tango around the world, ℗2007:insert (Hugo Díaz; born 1927, Santiago del Estero, died 1977; Argentine harmonica player)
found: Todo Tango WWW site, August 23, 2016(Hugo Díaz; real name: Díaz, Víctor Hugo; born August 10, 1927, Santiago del Estero, Argentina, died October 23, 1977; harmonica player and composer)