"Fair Lady" is a popular musical based on George Bernard Shaw's play, "Pygmalion." The story follows a poor flower girl, Eliza Doolittle, who dreams of improving her life. She encounters Henry Higgins, a phonetics professor, who makes a bet that he can transform her into a refined lady by teaching her proper speech and manners. The musical features memorable songs, including "I Could Have Danced All Night" and "Wouldn't It Be Loverly." It explores themes of class, identity, and transformation, showcasing how language and appearance can influence one's social standing and personal relationships.