Katy Perry tops YouTube's list of video views so far this year, Colbie Caillat's video for "Try" is getting a lot of attention for it's positive message and she explains the inspiration,  Can't make it to Chicago this weekend for Lollapaloooza? Well you don't have to as you'll be able to stream Lorde and the others online, Sarah McLachlan talks about who the song "Angel" is about and if there is such a thing as divine justice this is it.