illustration Charlie Rosario
producer Pancho Cristal
tracks a2, a3, b2 to b4 vocals Santos Colón
US original issue released in Mono and Stereo on solid vinyl with orange Tico labels.
Track A4/ It Was Love is a Guajira sung in English. Though he was uncredited, Charlie Rosario did in fact do the cover artwork (illustration). For reference check the book Cocinando: 50 Years of Latin Album Cover Art (Pablo E. Yglesias, Princeton Architectural Press, 2005).