Con medio peso   Creator:   Los Borincanos ( performer ) Arcay, José L. ( composer ) Publisher.Display:   Marvela Format:   1 sound disc : 78 rpm ; 10 in. Subjects.Display:   guaracha Source Institution:   Florida International University Con medio peso	Los Casanovas   Creator:   Los Casanovas ( performer ) Arcay, José L. ( composer ) Publisher.Display:   Kubaney Format:   1 sound disc : 45 rpm ; 7 in. Subjects.Display:   Popular music Source Institution:   Florida International University Los Casanovas