Sour? Or Sweet?

First I’m Sour... Then I’m Sweet: Pisces Libra Gemini Taurus

First I’m Sour, Then Would Ya Look At That, Still Sour: Aries, Virgo, Scorpio, Capricorn

First I’m Sweet, Piss Me Off And You’ll See Sour: Aquarius, Cancer, Sagittarius, Leo