Podcast Episode
The Science of the Cask: Master Distiller Billy Walker on What Makes Great Whisky

About this episode
Up to 70% of a whisky’s flavour comes from the wood. But what actually happens inside the barrel to create world-class whisky? Legendary Master Distiller Billy Walker unpacks the exact science of oak maturation, cask chemistry, and why age still matters.
In this episode of Cask to Glass, John sits down with legendary master distiller and blender Billy Walker from The GlenAllachie Distillery to explore the chemistry, craft, and science behind Scotch whisky.
With over 50 years of industry experience taking in many famous names including Hiram Walker, BenRiach, GlenDronach and Glenglassaugh, Billy
➡️breaks down how wood selection & oak chemistry shape profile & flavour➡️explains why maturation dynamics matter➡️reveals the truth about age statements➡️explores his philosophy on single malts➡️ makes a passionate defence of blended whisky➡️and implores colleagues not to go down the route of cocktails
Slàinte!-------Socials: @C2GWhisky | @JohnRossBeattie
Creator & producer: David HolmesArt work & design: Jess Robertson
Music: Water of Life (Never Going Home)Vocals: Andrea CunninghamGuitars: John BeattieBass: Alasdair VannDrums: Alan HamiltonBagpipes: Calum McCollAccordion: Gary InnesMusic & Lyrics: Andrea Cunningham & John BeattieRecorded & mixed by Murray Collier at La Chunky Studios, Glasgow, Scotland Hosted on Acast. See acast.com/privacy for more information.