Jim Beard's great songs

/**
 * Little trick to list the MP3 paths
 * from the great Jim Beard's web pages
 * (one of the best Jazz composers I've known).
 * Enjoy.
 */
var pattern = /Beard\smp3s\/.+\.mp3/,
    base = "http://www.jimbeard.com/",
    paths = [];
$$('a').forEach(function(el, i){
    if (!el.onclick) return;
    var attr = el.getAttribute('onclick'),
        result = pattern.exec(attr),
        path;
    if (result) {
        path = base + result[0];
        console.log(path);
    }
});