These proportions can be a little sweet, depending on the strength of the syrup--you can just use less of it too.

On good KD [ed. note Kold Draft ice cubes] it can take a bit to get your water content with all that fruit. I used muddling eighths of both lime and tangerine.

Most recipes call for a very wet Martini with between a dash and a full ounce of crème de menthe, usually green. For the unrelated Cognac drink of the same name dated to around the same time, see Caruso Cocktail (via Eric Fenton).

There are many recipes from this era named, ostensibly, for wild tenor Enrico Caruso. The most famous one calls for gin, dry vermouth, and creme de menthe. This one's better.

Fernet Branca marketing lore has it that Maria Callas took her Fernet with peppermint syrup, a fact that led, they say, to the creation of the product that eventually became Branca Menta. Here's a nightcap in her honor, with some similarities to a drink named for another opera great, the Caruso.