found: Gatica, L. "La voz romantica" de Lucho Gatica [SR] p197-?
found: FIU Libraries WWW site, July 19, 2007:Digital collections; Encyclopedic discography of Cuban music, 1925-1960 (Lucho Gatica; birth name Luis Enrique Gatica Silva; b. Rancagua, Chile, Nov. 11, 1928; singer)
found: El paĆs WWW site, viewed Nov. 14, 2018(in obituary dated Nov. 14, 2018: Lucho Gatica; died this Tuesday [Nov. 13, 2018] at age 90 in Mexico City, where had been living for half a century; last Aug. 11, in his native city of Rancagua--about 100 km south of Santiago de Chile--his 90th birthday was celebrated; born Luis Enrique Gatica Silva, at age 13 he began singing in Rancagua; in adolescence he moved to the capital; in 1957 he left the country and settled in Mexico; singer of boleros)