半城柳色半声笛
[bàn chéng liŭ sè bàn shēng dí]
Combines scenery ('半城柳色', half the city's willow color) and sound ('半声笛', semi melody from a flute). It depicts a picturesque, serene moment blending nature and musical charm found typically along riversides in China. Suggests calmness mixed with a little nostalgia.