What is the musical which has "The Rain in Spain" based on?
The Rain in Spain: "The Rain in Spain" is a song from the musical "My Fair Lady", with music by Frederick Loewe and lyrics by Alan Jay Lerner. My Fair Lady: My Fair Lady is a musical based on George Bernard Shaw's "Pygmalion", with book and lyrics by Alan Jay Lerner and music by Frederick Loewe.
Pygmalion