北笙凉风南笙孤风
[bĕi shēng liáng fēng nán shēng gū fēng]
Translates to Northern flute cools wind, Southern flute faces loneliness together with wind. Here it poetically depicts distinct moods linked by traditional Chinese instruments – while northern breezes are refreshing, southern counterparts evoke melancholy, suggesting differences in regional ambiance and emotion evoked thereby.