Time, since ancient times? I think using some high-pitched music has both passion and depth, because in ancient times, time was long and endless.
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Look at it and listen to it in every capital. See if there is any music that matches your poem.
Yesterday, today and tomorrow? Then if you can cut music yourself.
You can mix three kinds of music together. Classical music is used in the front. Then you can use a stronger rhythm in the middle and electronic music in the back.
If you use musical instruments, you can use flute, guzheng, etc. in front, piano and saxophone in the middle, and mixed sounds of several musical instruments in the back. However, these music are hard to find.