It has a really powerful message. (Para. 3)
Meaning: The music is really meaningful.
message: n. a lesson or moral contained in a story, a film, a piece of music, or a speech
The message of the story "A Busy Weekday Morning" is that there is a generation gap between the old and the young. 短篇小说《一个繁忙的早晨》说的是老年人与青年人之间存在着代沟。