“One of sour, two of sweet, three of strong and four weak”Sour; one part citrus - lime juice/cordial Sweet; two parts sweet - grenadine Strong; three parts strong - rum! (always Bajan) Weak; four parts juice - we love a pineapple and orange mix! The second part of the rhyme goes “…a dash of bitters and a sprinkle of spice, serve well chilled with plenty of ice.” Meaning, a dash of Angostura Bitters and freshly grated nutmeg. Cheers!