In a Grantland blog post about the new Coldplay/Rihanna collaboration "Princess of China," Molly Lambert made this on-point observation: "We have reached the event horizon where all popular musical genres are one." No band encapsulates that oneness quite like Gym Class Heroes, the group thrust upon your radio dial by Pete Wentz about five years ago. They're back next month with "The Papercut Chronicles II," a sequel the world needed about as much as "Dumb and Dumberer."

In a Grantland blog post about the new Coldplay/Rihanna collaboration "Princess of China," Molly Lambert made this on-point observation: "We have reached the event horizon where all popular musical genres are one." No band encapsulates that oneness quite like Gym Class Heroes, the group thrust upon your radio dial by Pete Wentz about five years ago. They're back next month with "The Papercut Chronicles II," a sequel the world needed about as much as "Dumb and Dumberer."

The Dirty Heads and Wallpaper. round out Tuesday's bill.