"Ajiaco Caliente", credited to D.R. in the LP, was originally written by Jebo Pérez and included in "Más Exitos de La Sonora Matancera con Celio González" (1959). More info in discogs.com/La-Sonora-Matancera-Canta-Celio-Gonzalez-Mas-Exitos-De-Sonora-Matancera/master/811198 (as a LP) & discogs.com/Celio-Gonz%C3%A1lez-Con-La-Sonora-Matancera-Amor-Sin-Esperanza-Ajiaco-Caliente/release/11461045 (as a single).