Photography studio credit: Columbia Records Photo Studio. Musical styles as described on release: A1: Pachanga A2: Cha Cha Cha A3: Pachanga A4: Son Montuno A5: Pachanga A6: Fantasia Rítmica B1: Pachanga B2: Cha Cha Cha B3: Descarga B4: Cha Cha Cha B5: Comparsa B6: Bolero