From a bunch of trading sites way back 2009-2010, I traded them. :) I stopped trading songs early 2010 bc i already have all the rare songs in circulation. :)
A little baby elephant stumbles in your ask box, holding a small letter in his mouth. He hands the note to you, "I love you. You are a wonderful, lovely person." Pass it on to the first ten people on your dash anonymously, you don't have to but it's nice to let someone know that they deserve to be happy :)