Rock en español geeks can argue for hours about who the best lyricist is, and Argentina's Andrés Calamaro will always figure prominently in those debates. A true craftsman in the art of pairing gutsy guitars with colorful metaphors (he's a die-hard Tom Waits fan), Calamaro arrived at his definitive solo sound on 1997's Alta Suciedad, after stints in bands Raíces, Los Abuelos de la Nada and Los Rodríguez. Ever-endearing, the gravelly-voiced veteran tells great love stories and paints the world as a surreal, flawed, but ultimately hopeful place.