A classic in the annals of COCKTAIL HISTORY. And here's how to make it :

2 ounces GLENMORANGIE SINGLE MALT SCOTCH WHISKY
1 ounce Sweet (ITALIAN) Vermouth - Antica Formula
2 dashes Angostura Bitters
2 dashes Orange Bitters

Combine ingredients in a shaker half filled with ice. Stir until chilled. Strain into a chillled coupe. Garnish with a cherry or lemon twist.