The whole thing started during a somewhat less than exiting studio session, when Sabine van Baaren and Mario Argandona, began improvising vocal grooves to the Stevie Wonder song "Superstition". They had so much fun that they decided to get together again, a few days later, to work out the tune a bit further. A bit was missing, so they hurried to the phone to invite Stephan Scheuss and Christina Lux to offer their talents. The last to join was Serge Millard, who, they found, did a great job on the bass lines. What they found out, right from the start, was that group singing had always been a secret passion for each of them, and to see this passion take form so naturally and beautifully was a welcome surprise and inspiration for them all. They found that through "Vocaleros", each could have the opportunity to explore both their individual talents as lead singers and composers, as well as a myriad of vocal arrangement ideas to support the songs. One of the group's basic tenants is that its frontiers should remain open and unrestricting. Therefore, they welcome the use, from time to time, of instruments, such as guitar or percussion, when they feel the songs can truly benefit from their use. Following an initial burst of creative energy, the group managed to put together a diverse repertory of songs, that includes both original material by each of the members of the group, as well as favourite songs by composers they have admired over the years. As the members of "Vocaleros" have diverse national roots (The Netherlands, Germany, U. S. A. and Chile), they welcome material that reflects a variety of languages and cultures.