Conexion was a kind of Spanish version of Blood, Sweat & Tears and Chicago, i.e. up-beat, song-oriented jazz-rock with brass and guitars. Their first album had a side-long track of greater interest, an ambitious instrumental named Concierto Uno.

Personnel:

* Luis Cobos - sax, flute, mellotron, piano
* Danny McKanicy - lead vocals, percussion
* Rafael Rios - guitars
* Luis Fomes - organ, piano
* Alfredo Lozoya - bass
* Ernesto Herrero - drums
* Serafin Alberca - trumpet
* Rafael Lopez - trumpet