Literature Reference: The melody is elegant and fills the ears, while the long-lasting sound deeply captivates the soul. Source from 'Listening to the Song of Yangchun Baixue'.
声: "Sound" signifies voice and proclamation. In this context, "Sound" symbolizes profound knowledge, exceptional talent, a smooth and successful life, and the attainment of remarkable achievements.
长: Strengths, merits.
Meaning: A long-lasting voice symbolizes profound and enduring influence.