Alejandro Sanchez   Creator:   Rivera, Maso ( performer ) D.A.R. ( composer ) Sanchez, Alejandro ( performer ) Guitaras ( performer ) Publisher.Display:   Ponce Format:   1 sound disc : 45 rpm ; 7 in. Subjects.Display:   Popular music vals Source Institution:   Florida International University Alejandro Sanchez	Chago Alvarado   Creator:   Alvarado, Chago ( composer ) Alvarado, Chago ( performer ) Guitarras ( performer ) Publisher.Display:   Ponce Format:   1 sound disc : 45 rpm ; 7 in. Subjects.Display:   bolero Popular music Source Institution:   Florida International University Chago Alvarado