In Charles Dickens's novel \"A Tale of Two Cities,\" what is the name of the song that is sung at the end of the story?

In Jane Austen's novel \"Pride and Prejudice,\" what is the name of the piece of music that Mr. Darcy plays for Elizabeth Bennet?

In Oscar Wilde's play \"The Importance of Being Earnest,\" what is the name of the song that Cecily Cardew sings?

In F. Scott Fitzgerald's novel \"The Great Gatsby,\" what is the name of the song that is played at Gatsby's parties?

In Ernest Hemingway's novel \"The Sun Also Rises,\" what is the name of the song that is sung at the bullfight?

In James Joyce's novel \"Ulysses,\" what is the name of the song that is sung at the funeral of Paddy Dignam?

In Virginia Woolf's novel \"Mrs. Dalloway,\" what is the name of the song that is played at the party?

In J.D. Salinger's novel \"The Catcher in the Rye,\" what is the name of the song that Holden Caulfield sings in the shower?

In Harper Lee's novel \"To Kill a Mockingbird,\" what is the name of the song that is sung by the children at the school pageant?

In John Steinbeck's novel \"The Grapes of Wrath,\" what is the name of the song that is sung by the migrant workers?

In George Orwell's novel \"1984,\" what is the name of the song that is played during the Two Minutes Hate?

In Margaret Mitchell's novel \"Gone with the Wind,\" what is the name of the song that is played at the ball?

In J.R.R. Tolkien's novel \"The Lord of the Rings,\" what is the name of the song that is sung by the elves?

In C.S. Lewis's novel \"The Lion, the Witch and the Wardrobe,\" what is the name of the song that is sung by the White Witch?

In J.K. Rowling's novel \"Harry Potter and the Sorcerer's Stone,\" what is the name of the song that is sung by the Sorting Hat?