There is a song in never back down's heart called Christian Poetry.

Paper crane.

1, "Paper Crane" is a Christian teaching song, which is widely loved by many Christians because of its ordinary tune and the characteristics of being fond of learning and singing.

2. Lyrics excerpt: Love is so real that it can't be separated. Fold 1000 pairs of paper cranes and make 1000 kinds of feelings. It is said that heart and heart can meet, and never back down's heart is hurting for you, sinking deeper and deeper.