Okay, so imagine you're at a really fancy party in Italy a really long time ago - like over 700 years ago! And there's music playing in the background. That music comes from something called the "Trecento," which means "the 1300s" in Italian.
Now, the music of the Trecento is special because it was one of the first times people started writing down music in a way that we can still read and understand today! Before that, people just had to remember the music in their heads, which is pretty impressive if you think about it.
The music of the Trecento was also really different from the music we hear today. It was sung in a language called Latin, which is a language people used to speak a long time ago. And instead of instruments like guitars or drums, people used something called "polyphony," which is when different voices sing different notes at the same time.
One of the most famous composers from the Trecento was a man named Francesco Landini. He wrote lots of beautiful pieces of music that people still sing and play today! And even though it might sound a little strange to our modern ears, it's still really cool to hear music that's been around for over 700 years.