Harmonix and MTV Games have announced that a four pack of songs from Lady Gaga, as well as singles from 3 Doors Down, Mute Math, The Subways, and a special Lady Gaga cover by South Park’s own Eric Cartman will be added next week to the Rock Band Music Store of downloadable content for the Xbox 360, PlayStation 3 and the Nintendo Wii.

Available on Xbox 360 and Wii on March 16th and PlayStation 3 system on March 18th:

• Lady Gaga – “Bad Romance”
• Lady Gaga – “Just Dance”
• Lady Gaga – “Monster”
• Lady Gaga – “Poker Face”
• 3 Doors Down – “It’s Not My Time”
• Mute Math – “Control”
• South Park – “Poker Face (Cartman version)”
• The Subways – “Oh Yeah”
• The Subways – “Rock & Roll Queen”