US Caldera in 4, by request

Discogged here albeit with minimal info.

I would say they are typical progressive Latin fusion from the late 70s, not as fiercely creative as the Mexican Sacbe band I loved so dearly back here, or Pe Ante Pe more recently here. In keeping with their popularity at the time they are rather smooth in fact with minimal craziness but extremely professional playing.

From the first album (ST, 1976), Synesthesia:

From the second (Sky Island, 1977), Seraphim / Angel:

From the third (Time and Chance, 1978), Mosaico clearly uses the same old Latin music cliches but does delve into more complex areas of composition here and there: