prelude 點解???

PRELUDE (noun) 序幕,序言, 前奏曲

1 a prelude to something
- something that comes before a more important event or action which introduces or prepares for it

Living together as a prelude to marriage is now considered acceptable in many countries.

The changes are seen as a prelude to wide-ranging reforms.

2 Music: a short piece of music, especially one played at the beginning of a longer musical piece or before a church ceremony.

It can also mean a short independent piece of music, often one that is played on the piano. For example, Chopin’s Preludes

prelude=序幕