1. The song "Acacia Bitterness" was originally sung by A Ying, with lyrics by Zhang Yongliang, and composed by Heart Rain syr. It was released in the album "Acacia Bitter" on 20 17.

2. Lyrics excerpt: Acacia is bitter and beautiful. Acacia, like a spring river, enters the ocean and never returns, never returns. Acacia is bitter and beautiful. Acacia knows the taste of sorrow, and I look forward to your return at night.