According to labels filed with Alcohol and Tobacco Tax and Trade Bureau (TTB),  Sierra Nevada Brewing Co. and Asheville Brewing Co. are joining forces on 30th Anniversary Christmas Jam, a 5.3 percent ABV “hop heavy” ale that will be packaged in 24-ounce bottles.

The new beer is being released to commemorate this year’s Christmas Jam, an annual musical marathon that is held in Asheville, N.C. and presented by Grammy Award-winning vocalist-songwriter guitarist Warren Haynes.

An email sent to the brewery for additional information was not immediately returned.