Mi engaño   Creator:   Alvarez, Mario ( composer ) Valle, Joe ( performer ) Publisher.Display:   Ansonia Format:   1 sound disc : 78 rpm ; 10 in. Subjects.Display:   bolero-rock Source Institution:   Florida International University Mi engaño	Sin tí   Creator:   Concepción, Miguel ( performer ) Orquesta Americana ( performer ) Luis, Angel y Mingui ( performer ) Beltrán, Lucho ( composer ) Publisher.Display:   Arpejio Format:   1 sound disc : 78 rpm ; 10 in. Subjects.Display:   bolero-rock Source Institution:   Florida International University Sin tí