The release was originally planned as a double-barreled release of two gueuzes, a light and a dark one, but one needed more time aging, Carey said.

Last year's New Glarus R&D release, also during Great Taste weekend, saw 720 bottles of the highly acclaimed Very Sour Blackberry sell out immediately as throngs of local beer fans and Great Taste visitors mobbed the brewery.

More Great Taste happenings

Breweries and beer venues across the city are hosting special releases, parties and other events all week in the run-up to the Great Taste.

For example, Ale Asylum is releasing the Belgian abbey ale formerly known as Happy Ending with a new, still provocative name: Kink. Happy Ending, which was previously only available at the Madison brewery's tap room, also is the name of an imperial stout brewed by SweetWater Brewing of Atlanta. Six-packs of Kink will surface at bottle shops in the Madison area next week and are expected to last two to three months.

The nonprofit, volunteer club that organizes the Great Taste, the Madison Homebrewers and Tasters Guild, is again compiling a list of the dozens of "pre-parties" and other events all week on the Great Taste website.

Got a beer you'd like the Beer Baron to pop the cap on? Contact Chris Drosner at cdrosner@madison.com or follow him on Twitter @WSJbeerbaron.

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