Don’t try looking up pop-mosh on urbandictionary.com. It’s so street that only those kids deep into everything Warped-related use it to tag tracks in their music libraries. It refers to the recent explosion of metalcore and post-hardcore bands who add melodic vocals, big room synths, and/or thumping beats to their gutter howls and bruising breakdowns. While some of the groups, A Day to Remember and Of Mice and Men among them, still sound very crunchy and riff-centric, others, including The Amity Affliction and I See Stars, are inching closer to an aggro brand of art pop. Then there’s Bring Me the Horizon and Issues: These party monsters are so down with EDM they may as well be hanging with Steve Aoki and Skrillex at Ultra. -- Justin Farrar
