Humanos is a portuguese band consisting of Camané, David Fonseca, Manuela Azevedo & Hélder Gonçalves (both from Clã), Nuno Rafael, João Cardoso and Sérgio Nascimento. What they sing was originaly written (but unreleased) by a late popular artist called António Variações. Their first cd "Humanos" (2004) was a big hit, achieving the platin status (>20 thousand copies sold). You can check their (portuguese) website at http://humanos.sapo.pt/.