The Pinker Tones' sound is not exactly easy to describe, though for all intents and purposes, simply electronica will have to do. But in truth, there is much, much more to it. From their home base of Pinkerland the Barcelona-based duo tinker with audio vibrations the way a mad scientist in a cartoon plays with brightly-colored vials and glowing beakers. Electronic dance music is their base formula, but they spike it with Latin sounds. A few drops of jazz, a sprinkle of bossa, a few cc's of