“PRISM” is the third album by singer Katy Perry. The album was released on October 22, 2013 and debuted at the top of the Billboard 200, with more than 280,000 copies sold in the first week in the United States.

The album, which was the best-selling female album of 2013, has 13 tracks in its common version and 16 in the Deluxe version. In Spotify, the mark of 1 billion plays has already been reached, on YouTube already counts more than 6 billion views.

During the “PRISM” era, five singles were released, two of which, Roar and Dark Horse, reached the top of the Billboard Hot 100, both of which have so copies in the United States alone.

— SINGLES:

Roar
“Roar” is a song by Katy Perry for her third studio album, Prism. It was released as the first single from the record on August 10, 2013. The song was written by Katy Perry Lukasz Gottwald Max Martin Bonnie McKee Henry Walter and its producers Dr. Luke, Max Martin, and Cirkut.

The music video of the song was released on September 5, 2013, directed by Grady Hall and Mark Kudsi, and filmed at the Los Angeles County Arboretum and Botanic Garden. The song hit #1 on the Billboard Hot 100, in addition to selling more than 10 million copies in the United States alone.

Unconditionally
“Unconditionally” is a song written by Katy Perry for her third album, “Prism”. The song was released as the second single off of “Prism” on October 16, 2013.

The song’s official music video was filmed in October 2013 in London. The video was partly inspired by the 1988 film, Dangerous Liaisons. The full video premiered on MTV on November 19, 2013 and was directed by Brent Bonacorso.

Dark Horse
“Dark Horse” is a song by Katy Perry featuring Juicy J. It was released on September 17, 2013 by Capitol Records as the first promotional single from Katy Perry’s album Prism, following the second single “Unconditionally”. Three months later, it was released as the third official single on December 17.

The song was written by Katy Perry, Juicy J, Łukasz Gottwald, Sarah Hudson, Max Martin, Henry Walter. The music video was released on February 20, 2014 and was directed by Mathew Cullen.

Birthday
“Birthday” is a song written by Katy Perry for her third studio album, Prism. The song was written by Katy Perry, Bonnie, McKee, Henry Walter, Łukasz Gottwald and Max Martin and produced by Dr. Luke and Max Martin.

The official music video for “Birthday” was directed by Marc Klasfeld and Danny Lockwood and was released on April 21, 2014.

This Is How We Do
“This Is How We Do” was responsible for ending the “Prism” era. The song was written by Katy Perry, Klas Åhlund and Max Martin and produced by Klas Åhlund and Max Martin. The track was sent the radios on August 12, 2014.

The official music video for the song, directed by New Zealand filmmaker Joel Kefali, was released on July 31, 2014.

TRACKS:
1. Roar
2. Legendary Lovers
3. Birthday
4. Walking On Air
5. Unconditionally
6. Dark Horse (feat. Juicy J)
7. This Is How We Do
8. International Smile
9. Ghost
10. Love Me
11. This Moment
12. Double Rainbow
13. By The Grace Of God
14. Spiritual
15. It Takes Two
16. Choose Your Battles