Okay kiddo, so have you ever heard a flute before? It's a musical instrument that makes beautiful sounds when you blow into it. Well, imagine someone traveling from place to place, carrying their flute with them. They might come up with different tunes inspired by the different things they see and hear on their journey.
The "eighteen songs of a nomad flute" is a famous collection of tunes that were created by a musician who did just that - traveled around and played their flute. These songs were passed down from person to person, until they were eventually written down and recorded so that people could continue to enjoy them.
What's special about these songs is that they reflect the emotions and experiences of a wanderer - someone who doesn't have a permanent home and is always on the move. Some of the songs are slow and melancholic, while others are upbeat and playful. They capture the different moods and feelings that come with traveling through new places and meeting new people.
So, in short, the "eighteen songs of a nomad flute" is a collection of tunes created by a traveling musician, and they represent the emotions and experiences of someone who is always on the move. They are beautiful pieces of music that have been passed down through generations and still inspire people today.