At MMS there as a ITProtini for the closing party, I never has a chance to try it but there is the ingredients list. (Thanks you, to Paul T.) I have guessed that the proportions.

Drink type: Martini

Glassware: Martini

Mixing: Shaken

¾ oz Blackberry vodka

¾ oz black cherry vodka

½ oz cranberry juice

½ oz pineapple juice

½ oz simple syrup