What role do dynamic signs play in shaping the overall expression and interpretation of a musical piece?

Dynamic signs in music, such as forte (loud) and piano (soft), play a crucial role in shaping the expression and interpretation of a musical piece. They indicate the volume and intensity at which the music should be played, adding depth and emotion to the performance. By following these dynamic signs, musicians can convey the intended mood and atmosphere of the piece, creating a more engaging and impactful musical experience for the audience.