CATSKILL FREAK TRACTOR SOUR (MODEL #1)

Approachable wild ale brings light brettanomyces funk to sour green grape and Granny Smith apple pucker. Delicate mango, guava and papaya tartness hidden by earthen barnyard astringency (and light herbal touch). Sugared malt spicing, usually lacking in sour ales, provides mild contrast. Easygoing crossover will please lighter conventional ale thirsts since the acidic sourness is never overdone.

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BACCHUS INDIGENOUS

On tap at Ambulance, delicate wild ale spontaneously soured with Seyval Blanc white grapes in red wine barrels retains soft-toned nature despite terse mouth-puckering acidity. Sour grape esters settle beside lemon-juiced cherry vinaigrette and Granny Smith apple tartness. Briny sea salting increases sharp sourness at wispy white-wined finish.