What is the name of the opera sung by the wedding master and Zhou Yun in One Step Away?

Among them, there are Verdi's La Traviata and Puccini's Dear Dad.

And Joe Hisaishi's music (said to be used in Let the Bullets Fly and The Sun Also Rises).

The wedding song of the guard is La Traviata Toast.

Guo Zi's Summer Time, the first song sung by a foreign beauty in a flower field competition.

Theme song "The Taste of Women"

Grieg's "Pergent" Suite