Summerfest has been gradually announcing its 2013 Marcus Amphitheater headliners for months now, but it’s stayed mum on side-stage acts. That changed today, when breaking from its usual tradition of announcing grounds stage performers in small chunks, the festival revealed the meat of its lineup in one massive drop. Comedian Lewis Black (who will be returning to the festival this year) revealed ...

I can't pretend to be as enthusiastic about dancehall reggae as I am the trunk-rattling, Bama rap that Diplo doled out on last year's essential Fear and Loathing in Hunts Vegas mix, or even the retro-dub of that summer's Top Ranking, but Diplo's latest genre experiment, Major Lazer's Guns Don't Kill People... Lazers Do, has all the makings of a future cult-classic�this is dancehall's answer to the...

The hipster remix master of choice these days, Philadelphia-based Diplo favors the party-anthem over the increasingly ethereal approach employed by so many DJs. After his 2004 solo debut Florida, he began to focus on altering the works of others, like Bloc Party and Kanye West, turning their already familiar hits . . .

The hipster remix master of choice these days, Philadelphia-based Diplo favors the party-anthem over the increasingly ethereal approach employed by so many DJs. After his 2004 solo debut Florida, he began to focus on altering the works of others, like Bloc Party and Kanye West . . .

Daniel Johnston @ Turner Hall Ballroom, 8 p.m. Equal parts visionary and maniac, Daniel Johnston has seen his fame skyrocket since the 2005 release of The Devil and Daniel Johnston, a documentary detailing his struggles with mental illness.