The Macallan Harmony Collection is a special limited edition series of whiskies from the famous distillery in Scotland. This collection features a range of beautifully crafted whiskies with a unique balance of flavors and aromas. Each whisky in the Harmony Collection is made using a combination of different casks, including sherry seasoned oak casks, American oak casks, and European oak casks. This combination of casks allows for a perfect harmony of flavors and aromas, making each sip of Macallan's Harmony Collection a unique experience. The collection includes five different whiskies: the Classic Cut, the Double Cask, the Triple Cask Matured 12 Years Old, the Triple Cask Matured 15 Years Old, and the Quad Cask. The Classic Cut is a single malt whisky aged for 12 years and is bottled at a higher strength, creating a more intense and bold flavor. The Double Cask combines the rich, spicy flavors of American oak with the smooth, delicate flavors of European oak. The Triple Cask Matured 12 Years Old is matured in a combination of sherry seasoned oak casks, American oak casks, and European oak casks, resulting in a complex but balanced flavor profile. The Triple Cask Matured 15 Years Old combines the sherry-seasoned oak casks, American oak casks, and European oak casks with a slightly older age. And lastly, the Quad Cask uses four unique casks to give this whisky a depth of flavor and complexity that is unmatched. Overall, the Macallan Harmony Collection represents some of the finest craftmanship in the world of whisky, and is a must-try for any whisky lover.