Harmonix and MTV Games have revealed that Nirvana will be making their debut on Rock Band and Rock Band 2 next week.

The tracks which have been announced are as follows:

• "Breed" - Nirvana
• "Lounge Act" - Nirvana
• "On a Plain" - Nirvana
• "Polly" - Nirvana
• "Something in the Way" - Nirvana
• "Stay Away" - Nirvana
• "Territorial Pissings" - Nirvana

All seven songs are master track recordings and will be available in the usual bundled pack for 880 Microsoft Point or on a per-track basis for 160 Microsoft Points.