What are the reasons why all the musicians in the forest are redundant?

The nightingale's song is crisp and sweet, and it resounds through the whole forest. According to official website, the music master in the forest, the accompaniment of the music master in the forest is unnecessary, because the nightingale's singing is crisp and sweet, and it resounds through the whole forest. The essay "In the Forest", a master musician, praised the loud, sweet, unforgettable and intoxicating nightingale, showed her competitive spirit, unyielding personality and expressed her love for the nightingale.