It's another Win On The App Weekend on Q105.7 and we are celebrating the 40th Anniversary of AC/DC's Back in Black!  Back in Black has sold 25 million copies!  In case you don't have a copy in your own collection we are going to hook you up with your very own digital copy, courtesy of Columbia Records.  Just make sure you have the Q105.7 App on your smartphone and fill out the entry form for your chance to win!