This cocktail is a cousin of the Negroni. The rye gives this drink some sweetness paired with the complex flavors of Campari and smoothed out with dry vermouth. If you like Boulevardiers and Negronis give this a try.
The Rojo Whiskey Sour is an enhanced whiskey sour. Sours emerged as staple cocktails during prohibition when whiskey became the (defacto?) alcohol of choice to be smuggled into major cities. The red wine helps to balance the sour and cut the flavor of alcohol and quickly became a staple metropolitan cocktail
A cousin of the Negroni, the Boulevardier is a simple cocktail recipe that produces big flavor. Substituting bourbon in place of gin creates a more sweet drink that is typically drank neat and up in a cocktail glass.