For the soundtrack of Confucius’s apprenticeship speech, you can consider the following music:

* "Confucius Institute": This is the theme song of the TV series "Confucius", sung by singer Li Guyi, it is very good To create an atmosphere for Confucius's apprenticeship speech.

* "Sudden Self": This song matches the rhythm of Confucius' apprenticeship and can be used when the speech reaches the climax.

Please note that the most important thing when choosing music is that it resonates well with the content of the speech. You can try playing these during your speech to see which one better matches your desired effect.