Lirically, it's a hymn of empowerment, and it's considered by Perry like the theme most important of her album. The song won the prize video of the year in MTV Video Music Awards 2011 and got two nominations to the Grammy Awards 2012, including best female pop vocal performance and year's recording.
"Firework" recived positive comments of the music's crítics, some noticed her catchy melody and dance and they compared it to the songs of the british band Coldplay, besides, About.com y Allmusic consider it like the best of the album. The song reached the first place in the count Billboard Hot 100 of US y it achived being top 5 in twenty countries around the world, including the continents of Europe y Oceania. In the week of the January 8, 2011, "Firework" sold 509 000 digital downloads in US, becoming it in the fourth song with most sales of a female artist, behind Lady Gaga and her song "Born This Way", that sold more than one million of downloads in five days, Taylor Swift and her song "We Are Never Ever Getting Back Together", that sold 623 000 y Kesha with her song "Tik Tok", that sold 610 000 copies in a week and in general, "Firework" takes the seventh place.
The video clip by "Firework", it shows inspired persons, people's group who are victims of the prejudices from the society, for physicals or emotionals problems.
The video speaks about two kids who see the domestic violence among their parents, a young woman self-esteem problems due to her case of obesity, a girl with cancer, and a homosexual boy that suffer for prejudices. Perry appears to «turn on the light» within these people and make them to act and to free their feelings as if they're fireworks.
Firework - Katy Perry(Official Musical Video)
Firework - Katy Perry(Official Musical Video With Lyrics)