Afrosound's mission was to emulate the guitar-heavy tropical sounds emanating from Perú and Ecuador at the time.

To add to the hippie vibe, there were plenty of whacky improvised vocal asides (called 'inspiraciones'), plus custom fuzz, wah-wah, flange and echo effects boxes for the guitar and keyboards.

A barrage of odd sounding synths, drum machines and other electronic flourishes were also sprinkled in to spice up the proceedings.

The dozen tracks on Afrosound's debut long play make for a surprisingly diverse palette from which these Colombian musicians painted their daring portrait of Peruvian cumbia, returning the favor in bold colors that still resonate almost 50 years later.

"La danza de los mirlos" kicks off with most famous Afrosound hit of all, 'Caliventura', a genius blend of funk and cumbia.

Aside from the cumbia amazónica title tune, there are several other covers including three popular songs by Nelson y Sus Estrellas, plus radically reimagined versions of various Colombian costeño classics published by Fuentes.

Mario "Pachanga" provides a sad but still groove-oriented Christmas son montuno / cumbia hybrid while Fruko brings us the bomba-funk ditty 'El chorrillo' and the rocking cumbia andina gem 'Cabeza de chorlito' where Sepúlveda channels Enrique Delgado.

Fruko collaborator Hernán "Hercovalle" Colorado Vallejo rounds things out with the melancholic psychedelic cumbia 'Esperando por ti', proving that every tropical party has to have its down side as well.

The record was also released in the US, Ecuador, Perú, Panamá, Mexico and Venezuela, and probably had an influence of its own, at least in South America.

The cover of this lovingly restored reissue features the artwork for the Peruvian edition, which was licensed and issued by Lima's El Virrey label in 1974.

The original Fuentes artwork, with a far more outrageous "cheesecake" image, can be seen on the back cover.