Axe shredding rockaholics, virtual mix maestros and all of their friends will come together and party this holiday weekend with new downloadable content for Activision Guitar Hero and DJ Hero.  Available and featuring some of the biggest hits from global pop sensations such as Lady Gaga, Pussycat Dolls, Rihanna, Duran Duran and  Maroon 5, the Pop 1 Track Pack for the Guitar Hero Music Library and the DJ Hero Dance Party Mix Pack will provide hours of nonstop, party rockin', beat blastin' entertainment for the whole crew to enjoy.

Setting the ones and twos ablaze, the DJ Hero Dance Party Mix Pack delivers a trio of new mixes – Lady Gaga's "Poker Face" Mixed With "Girls On Film" by Duran Duran, Pussycat Dolls' "Buttons" beat juggle and Rihanna's "S.O.S." beat juggle – that will have digital DJ's spinning, scratching and battling as they take their 4th of July parties to the next level.

Guitar Hero fans looking to pick up their axes, grab their drum sticks or rock the mic right are in for a treat this weekend with a trio of hit pop artists in the Pop 1 Track Pack for the Guitar Hero Music Library that will have these budding musicians rocking out with all their friends to Lady Gaga's club anthem, "Just Dance," Maroon 5's hit single, "This Love" and the Synthpop hit, "Fireflies," by Owl City.

The Guitar Hero Pop 1 Track Pack will be available on Xbox LIVE, on the PlayStation Store and for Wii.  All songs in the track pack will also be released as downloadable singles. The DJ Hero Dance Party Mix Pack will be available on Xbox 360 and PLAYSTATION 3.  All mixes will be released as downloadable singles for Wii.

For more information about Guitar Hero and the entire line-up of downloadable songs and disc imports, visit www.guitarhero.com. For more information about DJ Hero, visit djhero.com.