//*[@class='song-title'] [a-zA-Z]{2}[0-9]+(?=$) //*[@class='song-artist']/a/@href [a-zA-Z]{2}[0-9]+(?=$) //link[@rel='canonical']/@href //*[@class='song-artist']/a http://www.allmusic.com/song/{0} //*[@id='appearances']//tbody/tr