I can honestly say that I have heard Tegan & Sara more often on episodes of Grey’s Anatomy than on terrestrial radio.  I had Sirius for over half a decade before I came across them on one of its stations.  This is a problem when talented musicians, ones whom I was already acquainted with and was seeking them out, couldn’t be found.  Anyway, for this topic, I chose a song from their third album, which I literally burned into my old car’s CD changer from playing so often.  Seriously, whenever I tried to put another disc in that same position, it couldn’t be read.