Title: Mary (mother of Jesus).
Question: What does pieta mean?

Title: Frederic Chopin.
Question: To whom did Chopin reveal in letters which parts of his work were about the singing student he was infatuated with?

Title: Buckingham Palace.
Question: For whom was Buckingham house originally built?

Title: MP3.
Question:
If the MP3 decoders do not extract information from the tags, what do they do to them?