photo: Slayer at the Theatre at MSG in 2013 (more by Caroline Harrison)
Slayer

The 2015 Rockstar Energy Drink Mayhem Festival tour was announced, and unlike last year's (Korn and Avenged Sevenfold), the headliners are pretty exciting this time: Slayer and King Diamond. There's some other cool stuff like Code Orange and Jungle Rot, as well less exciting stuff like The Devil Wears Prada and Hellyeah.

The tour hits the NYC-area on July 21 at PNC Bank Arts Center and July 26 at Nikon at Jones Beach Theater. Tickets go on sale Friday (4/17) at 10 AM, and the PNC Bank Arts Center show has Citi/VIP package presales starting Wednesday (4/15) at 10 AM and Live Nation/LN Mobile App presales starting Thursday (4/16) at 10 AM. There don't appear to be presales for the Jones Beach show. All dates are listed below.

Slayer are also playing other dates, including two Long Island shows in June (tickets), Bonnaroo, Motorhead's cruise and more.

Code Orange also open for Poison the Well in NYC in May (tickets) and play This Is Hardcore.

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2015 Rockstar Mayhem Lineup:
Slayer
King Diamond
HELLYEAH
The Devil Wears Prada
Whitechapel
Thy Art Is Murder
Jungle Rot
Sister Sin
Sworn In
Shattered Sun
Feed Her To The Sharks
Code Orange
Kissing Candice

Rockstar Mayhem -- 2015 Tour Dates
6/27 - San Bernardino, CA @ San Manuel Amphitheater
6/28 - Mountain View, CA @ Shoreline Amphitheater
6/30 - Auburn, WA (Seattle) @ White River Amphitheater
7/1 - Boise, ID @ Idaho Center Amphitheater
7/3 - Phoenix, AZ @ Ak-Chin Amphitheater
7/4 - Albuquerque, NM @ Isleta Amphitheater
7/5 - Denver, CO @ Red Rocks
7/7 - Council Bluffs, IA @ Harrah's Council Bluffs
7/8 - Milwaukee, WI @ Eagles Ballroom
7/10 - Noblesville, IN (Indianapolis) @ Kilpsch Amphitheater
7/11 - Clarkston, MI (Detroit) @ DTE Energy Amphitheater
7/12 - Tinley Park, IL (Chicago) @ First Midwest Bank Amphitheater
7/15 - Toronto, ON @ Molson Canadian Amphitheatre
7/17 - Camden, NJ (Philadelphia) @ Susquehanna Bank Arts Center
7/18 - Burgettstown, PA (Pittsburgh) @ First Niagara Pavilion
7/19 - Hartford, CT @ Xfinity Theatre
7/21 - Holmdel, NJ @ PNC Bank Arts Center
7/22 - Gilford, NH @ Meadowbrook (Bank of NH Pavilion)
7/24 - Bristow, VA @ Jiffy Lube Live
7/25 - Boston, MA @ Xfinity Center
7/26 - Wantagh, NY @ Nikon at Jones Beach
7/29 - Atlanta, GA @ Aaron's Amphitheater at Lakewood
7/31 - New Braunfels, TX @ Whitewater Amphitheater
8/1 - Houston, TX @ Cynthia Woods Mitchell Pavilion
8/2 - Dallas, TX @ Gexa Energy Amphitheater
6/26 - San Diego, CA @ Sleep Train Amphitheater