There is more than one artist with this name: 1. Client are a futurist British musical group from London, England. They combine Scandinavian airline hostess uniforms with glamour-girl aesthetics and harsh electronics to create a sound reminiscent of early forays into electronic sound manipulation and new wave. Their uniforms have become their trademark. The original band members were formerly known only anonymously as Client A and Client B, to the extent that their faces were not shown on any publicity photos; it has since been revealed that they are Kate Holmes..