This is “POP or FLOP”, where we taste test sparkling wines so you don’t have to! (Tough job, we know! 😉) This week we’re sippin’ on the Cuvée Crescendo from Mater & Filii in Champagne, France! 🍾🇫🇷 So is this beautiful blue bottle one to POP? Or is it a FLOP? Let’s shall we? 😉