Recording artists The Eagles, Nirvana and The Smashing Pumpkins, who all featured in the on-disc set list of Guitar Hero World Tour, are returning in December with exclusive downloadable content for the game. Additionally, they'll be three free Reggae Rock tracks from Pepper, Slightly Stoopid and Expendables.

The Smashing Pumpkins return to Guitar Hero World Tour, today, with a three-song track pack featuring the recently released single "G.L.O.W.," "1979" and "Everlasting Gaze."

Featuring the final single released by the band, "You Know You're Right," along with "Negative Creep," off the band's debut album Bleach, and the smash hit "Sliver," the Nirvana Track Pack will be available for Guitar Hero World Tour on December 11th.

The Eagles content will be available on December 18th with three chart topping hits. From the Rock & Roll Hall of Fame inductees' seventh studio album and first in 28 years, Long Road Out of Eden, "Frail Grasp on the Big Picture" is joined by two classic tracks that climbed to the top of the Billboard's Hot 100, "One of These Nights" and "Life in the Fast Lane."

Rounding out the downloadable set list for Guitar Hero World Tour in December are three free Reggae grooves. The Reggae Rock Track Pack is comprised of "Jimi" from Slightly Stoopid, "Your Face" from Pepper and Expendables' "Sacrifice." The free tracks will be available for download on December 23rd.

The Eagles, Nirvana and Smashing Pumpkins Track Packs will be available on Xbox live marketplace for for 440 Microsoft Points and on the PlayStation Store for for $5.49. The songs in each Track Pack will be released as downloadable singles for Xbox 360 for 160 Microsoft Points, PLAYSTATION 3 system for $1.99 and Nintendo Wi-Fi Connection for Wii for 200 Wii Points. The Free Reggae Rock Track Pack will be available for Xbox 360 and PLAYSTATION 3 and as singles for Wii.