Vinofile VIP Puzzle WINE NERD BONUS

12345678
Across
  1. 5. The "M" of GSM blend grape known for structure
  2. 6. Exposure that can age—or ruin—a wine
  3. 7. CA AVA where City Winery sources most Chardonnay
  4. 8. Naturally sparkling wine made by the ancestral method
Down
  1. 1. Stirring the lees during aging
  2. 2. Spirit that "seasons" barrels for CW red blends
  3. 3. Conversion of malic acid into lactic acid
  4. 4. When grapes begin changing color before harvest