If you dig old school hip hop, metal, or punk, here's a show you might want to check out this summer. This week, organizers of 'Riot Fest" announced the lineup for their Denver festival, which will be held August 28 - 30th, at the National Western Complex.

The three day festival will include performances from legendary several veteran hard rock bands, including Motorhead, Anthrax, Gwar and Testament. Punk rock icons Iggy Pop, Rancid, L7, The Mighty Mighty Bostsones and the Dead Milkmen will join them. 'Riot Fest' will also feature many popular hip hop artists, including Snoop Dogg, Ice Cube, Run DMC and Cypress Hill. Many popular alternative rock bands will also be performing, including Tenacious D, Flogging Molly, Coheed and Cambria and many more.

The schedule is expected to be released next month. For now, three day general admission passes are on-sale for the 'early bird discount' rate of $99, via the Riot Fest website.