Organizers of the Rock the Bells [ tickets ] traveling hip-hop festival have unveiled additional acts and venue details for the tour, which is being headlined by A Tribe Called Quest [ tickets ].

New additions to the event's lineup include MF Doom [ tickets ], Sage Francis [ tickets ], Blue Scholars, Just Blaze, Black Violin, Afrika Bambaataa, The Dirty Heads and DJ Green Lantern.

Aside from A Tribe Called Quest, previously announced artists for the outing, which kicks off July 19 in Tinley Park, IL, include Nas [ tickets ], Mos Def [ tickets ], De La Soul [ tickets ], Rakim [ tickets ], Method Man & Redman [ tickets ], Raekwon [ tickets ] & Ghostface (Cuban Linx), Immortal Technique, Dead Prez, Murs, Kidz in the Hall and reunited special guests The Pharcyde.

The tour will also feature up-and-coming "electro hip-hop" acts at various tour stops during the run, including Spank Rock, Santogold, Kid Sister, Wale, Jay Electronica and The Cool Kids. The trek is slated to hit 10 stops in North American cities this summer. Details are below.

"There has been a tremendous amount of artist support for Rock The Bells," Chang Weisberg of promoters Guerilla Union said in a prepared statement. "Every day there will be a definitive moment in live hip-hop history. There will be a number of surprise performances and additional acts planned for each city."

Lineups will fluctuate slightly on each stop of the tour; details are available at Guerilla Union's website.

Organizers are also taking Rock the Bells global for the first time, with four European dates and a one-off stop in Japan in the works.

In addition to returning headliner Nas, last year's Rock the Bells festival featured Wu-Tang Clan, Rage Against the Machine, Public Enemy, Cypress Hill and Talib Kweli, among others.