放学铃声才是中国好声音
[fàng xué líng shēng cái shì zhōng guó hăo shēng yīn]
This name combines humor with a twist of social commentary. '中国好声音' (The Voice of China) is a famous singing talent show in China. The person implies that for students, the most anticipated sound isn't from the TV show but rather the school dismissal bell.