As Time Goes By (Tutorial: lyrics, sheet music, keyboard) 

The song "As Time Goes By" conveys a timeless message about the enduring nature of love and the constancy of human experiences despite the passage of time. Its lyrics highlight that fundamental aspects of life and love remain unchanged through the years, emphasizing themes of romance, loyalty, and the persistence of true love.
"As Time Goes By" was written by Herman Hupfeld in 1931 for the Broadway musical "Everybody's Welcome." The song gained widespread fame when it was featured in the 1942 film "Casablanca," where it was performed by Dooley Wilson.