What is the bird song by Florence and the machine meaning?

"Bird Song" by Florence and the Machine explores themes of freedom, transformation, and the emotional journey of letting go. The imagery of birds symbolizes liberation and the desire to break free from constraints. The song reflects on personal growth, embracing change, and the bittersweet nature of moving on, capturing the duality of loss and new beginnings. Ultimately, it conveys a message of hope and resilience amidst life's challenges.