"I picked Nicky Da B for this drink. He passed a year ago, so his passing is fresh on my mind. Plus, I always liked bounce music. ‘Express Yourself’ is such a jam, and so is ‘Hot Potato Style’ and ‘Go Loko.’ I just love them. Every time I hear them I just want to shake and dance.

It made sense to do something with muscadine grapes. They have this vibrant purple-to-fuschia to clearish-greenish color—like a l...