Mexican tenor, 1933-2006; https://es.wikipedia.org/wiki/David_Portilla -- born 10 September 1933 in Gomez Palacio, Durango, debut in L amico Fritz at the Palacio de Bellas Artes, one of the principal voices of the Mexican national company through the 1960s-80s, died 10 January 2006. Created because he, not the Italian-repertoire baritone Nelson Portella (findopera 3622), is the Macduff of the Bellas Artes Macbeth of 14 October 1969.