Literature Reference: 归来经一宿，世虑稍复生。赖闻瑶华唱，再得尘襟清。—— 《荅元八宗简同游曲江后明日见赠》 After returning overnight, worldly worries slightly return. Thanks to hearing the song of jade, the dusty heart is once again purified. Source from 'Da Yuan Ba Zong Jian Tong You Qu Jiang Hou Ming Ri Jian Zeng'.
尘: Dust and loess.
襟: The chest area of the garment.
Meaning: The dusty heart is purified by the elegant songs, bringing peace to the worldly mind.