http://images.tickets.com/images/venuemap/
anderson_music_hall_NI.gif
It's a way to rank the most popular songs of the day (from most popular to least). Most of the time, it's based on the people's votes.
limewire - or the upgraded version frostwire
OMG by usher and will.i.am :)
By using download sales, and album and singles sales in shops.
The opening song is performed by Primus.