As far as I know, the really long slogan is as follows.

1. I participate, I am happy, I sing.

2. Let's sing together.

3. The voice of nature, vowed to win the championship.

4. put an end to lip-synching, and everyone should be serious.

5. For real singing, we will always be serious.

6. Refuse lip-synching and be serious.

7. Release yourself and indulge in singing.

8. Sing your true feelings and let go of your true self.

9. No lip-synching, half-baked wheat.

10. Sing your heart and spread the stars.