The 2013 Sturgis Rally at the Buffalo Chip Music Festival just upped the rock quotient for this year's music week. Rob Zombie is the latest to join the South Dakota biker bash, as he'll headline the August 7 date with support from Mastodon and Machine Head.

The Sturgis Rally is the largest music festival in motorcycling and this year's event runs Aug. 2-11. The biking community will be treated to music from a variety of genres, with bands representing rock, country and alt-rock all taking part.

The music week begins Aug. 2 with Queensryche. ZZ Top and Halestorm will perform Aug. 4, with Kid Rock set to headline the following night. Country stars Toby Keith and Brantley Gilbert bookend the Zombie date on Aug. 6 and 8 respectively. And Sublime With Rome have been confirmed to play Aug. 9. Performers for Aug. 3, 10 and 11 have yet to be revealed. For more details, visit the Buffalo Chip website here.

Rob Zombie is ramping up to the release of his 'Venomous Rat Regeneration Vendor' album on April 23.