You're sure to get a jolly, rockin' good time this Christmas with this awesome downloadable content for Guitar Hero World Tour (Xbox 360, PS3, Wii) this month.

Classic gods of rock has indeed come down to join us mere mortals, such as The Eagles, Smashing Pumpkins and Nirvana.

You'll also be getting an additional treat with the Reggae Rock tracks from Pepper, Slightly Stoopid and Expendables. But we know who the clear stars are for this batch of DLC, so we won't dilly-dally now and go ahead give the full list of goods to you:

Smashing Pumpkins

• Release: December 4
• Three-song track pack:
• G.L.O.W.
• 1979
• Everlasting Gaze

Nirvana

• Release: December 11
• Three-song track pack:
• You Know You're Right
• Negative Creep
• Sliver

The Eagles

• Release: December 18
• Three-song track pack:
• Frail Grasp on the Big Picture
• One of These Nights
• Life in the Fast Lane

Reggae Track Pack (free)

• Release: December 23
• Jimi (by Slightly Stoopid)
• Your Face (Pepper)
• Sacrifice (Expendables)

The track packs for The Eagles, Smashing Pumpkins and Nirvana will cost 440 Microsoft Points on the XBL and US$ 5.49 on the PSN. Meanwhile, each single will be released for 160 Microsoft Points on XBL, US$ 1.99 on the PSN and 200 Wii Points on the Wii.

The Reggae Pack will be available as track packs only for the XBL and PSN, while it will be available as singles on the Wii.

Thanks to rookmasterwiz for the tip!