Champagne Master Class. This seminar was presented by the highly-respected sommelier and writer Raj Parr on October 5, 2015, in Beverly... 24 May The Importance of Terroir mlerner | champagne, Raj Parr | | 0 Champagne Master Class. This seminar was presented by the highly-respected sommelier and writer Raj Parr on October 5, 2015, in Beverly...