By Jason Feuler, Finger Lakes Correspondent Last weekend I attended a reception at Hunt Country Vineyards on the northwestern tip of Keuka’s left branch to celebrate the first available vintage of Valvin Muscat. This hybrid is, like the name implies, a genetic relative of the ancient and prolific muscat grape which is grown the world over, but usually in warmer climates. The few muscats I’ve had in the past were aromatic, food-friendly whites with good balance. How does its cousin compare? Actually, quite well. The Valvin Muscat I tried at Hunt Country left me with most of the good impressions…