How many kinds of festive background music are commonly used at weddings?

Everyone knows the favorite background music for large-scale awards parties. Bernstein composed music. Snow dream.

This "Snowdreams" comes from Bandelli's album "Field in Spring", which is quite classic pure music. It has been used by radio and TV stations for countless times, and it is often used as background music in some emotional programs (especially love, with a little sadness). Song Dynasty (Song Dynasty)

This song was written by Kitaro, the composer of _ _ _ _. His personal feeling is both grand and sad. Many TV dramas in Hong Kong and Taiwan like to use this background music, such as Louis Koo and Carman Lee's version of The Condor Heroes. A day in spring

"A Day in Spring" comes from Bandelli's album "Field in Spring", which is often used as the opening song of the program or the opening background music of news and wake-up songs. This is a very soothing and soft classic music. . Tears (tears)

I often hear pure piano music, but I don't know any further information about it.