When picking mulberry strangers to try on spring clothes, whoever plays the piano will solve it. Which poem is it from? What's the point?

Young women wear new spring clothes and pick mulberry and play music in strange places. No one understands the pain of missing.

The second half of this sentence has been crossed out. Nine machines of John Doe.

Pick mulberry and try on spring clothes. The weather is sunny, warm and weak. On the peach blossom branch, the warbler whispered and refused to let people go.