Colombia's Andrea Echeverri is best known as the outspoken leader of the Grammy-winning Latin alt-rock/trip-hop outfit Aterciopelados; she's also a Latina who sideswipes stereotypes by leaning more toward Cat Power than Christina Aguilera musically. For all her feminist fire and subversiveness, though -- upon the formation of Aterciopelados in 1990, the pierced and tattooed Echeverri stunned her conservative country by singing a song about her unwillingness to ruin her silhouette by having children -- her voice is renowned for its enveloping purr and warmth. The name Aterciope...