What is the tone for song firework by Katy Perry?

The tone of the song "Firework" by Katy Perry is optimistic, empowering, and inspirational. The song is about overcoming obstacles and achieving one's dreams, and it encourages listeners to believe in themselves and their abilities. The lyrics convey a message of hope and resilience, and the upbeat music and energetic delivery contribute to the overall positive and uplifting tone of the song.