What song did the father sing to express blessing song when his son got married?

As agreed, the moon represents my heart and meets.

1. The song "About" is plain and futuristic, which means I hope my son will be happy after marriage. It is one of the essential songs at the wedding.

2. The song "The Moon Represents My Heart" expresses the father's deep love for his son, which is contained in the lyrics.

3. "Accidental encounter" expresses the love that I met only after going around, and the bride will cherish it more.