Find a 15th century mural for today's Geo Quiz.

Leonardo Da Vinci spent nearly 5 years painting his masterpiece, "The Last Supper."

And for our quiz, we're after the city that's home to this mysterious depiction of Jesus's last meal with the 12 Apostles.

You may have glimpsed the painting in the Da Vinci Code movie.

We want the location of the church where the mural resides.

It's called the Church of Santa Maria delle Grazie.

Church of Santa Maria delle Grazie

But this Italian city has other claims to fame.

It's a financial center -- and a world capital of fashion, too.

The city's big for opera fans as well.

Foodies might want a taste of the local salami and Gorgonzola cheese.

Which brings us back to the subject of eating and to the Last Supper.

Listen to this musical interpretation of the message that Da Vinci may have secretly encoded into his famous painting.

Find out more about this musical hypothesis and the answer...