In 2006 Barrioz was invited by the Nicaraguan boxing champion, Ricardo Mayorga, to sing the Nicaraguan National Anthem, Salve a ti, Nicaragua, in the boxing ring before his fight with Oscar de la Hoya.
Ricardo Montaner | Ricardo Lagos | Ricardo Bofill | David Ricardo | Ricardo Tubbs | Ricardo Martinelli | Ricardo | Ricardo Piglia | Ricardo Arjona | Ricky Ricardo | Ricardo Villalobos | Ricardo Montalban | Ricardo Maduro | Ricardo Güiraldes | Ricardo Flores Magón | Ricardo Costa | Circuit Ricardo Tormo | Ricardo Tirloni | Ricardo plc | Ricardo Hausmann | Ricardo Darín | Ricardo Costa (filmmaker) | John Lewis Ricardo | Roy Mayorga | Ricardo Ycaza | Ricardo Villagrán | Ricardo Villagran | Ricardo Teixeira | Ricardo Salinas Pliego | Ricardo Rincón |