From Wham City Lights:
The best things in life are offline. Offline is where the music is. Offline is where your friends are. The Offline app syncs up with whatever music you're listening to and delivers a totally novel experience. Open up offline anywhere there's music to see what we're talking about. Light up your next concert."Lets fans and their phones light the way" - Salon.com"An immersive experience" -Gizmodo"Best use of an app at a concert" -NPRDownload the Offline App now!