"Eye of the Tiger" is the title of a song by American rock band Survivor. It was released in May 1982 as a single from their third album Eye of the Tiger. It was written at the request of actor Sylvester Stallone, who was unable to get permission for Queen's "Another One Bites the Dust". The song was to be the theme song for the movie Rocky III in which he was playing the main role. The movie version of the song is different from the album version because it features tiger growls. It gained tremendous MTV and radio airplay and topped charts worldwide in 1982. It is memorable for its guitar riff and anthemic chorus. It was certified platinum in August 1982 by the RIAA, signifying sales of 2 million vinyl copies, and the song has sold 3 million in digital downloads by March 2012. It was voted VH1's 63rd greatest hard rock song.

In an interview with Songfacts, co-writer Jim Peterik explained the song's title.

At first, we wondered if calling it 'Eye of the Tiger' was too obvious. The initial draft of the song, we started with 'It's the eye of the tiger, it's the thrill of the fight, rising up to the spirit of our rival, and the last known survivor stalks his prey in the night, and it all comes down to survival.' We were going to call the song 'Survival.' In the rhyme scheme, you can tell we had set up 'rival' to rhyme with 'survival.' At the end of the day, we said, 'Are we nuts?' That hook is so strong, and 'rival' doesn't have to be a perfect rhyme with the word 'tiger.' We made the right choice and went with 'Eye Of The Tiger'.

Katheryn Elizabeth Hudson (born October 25, 1984), known by her stage name Katy Perry, is an American singer, songwriter and actress. Perry grew up with gospel music, and during her first year of high school she pursued a music career as Katy Hudson, releasing her first studio album called Katy Hudson which failed to chart. She recorded a solo album later, which was never released. After signing with Capitol Music Group in 2007, her fourth record label in seven years, she adopted the stage name Katy Perry.

She first gained recognition with the release of her first mainstream album, One of the Boys in 2008, which spawned three Billboard Hot 100 top-ten songs—"I Kissed A Girl", "Hot n Cold" and "Waking Up In Vegas". Perry supported the album with her Hello Katy Tour. In 2010, her third studio album, Teenage Dream (2010), which topped the Billboard 200 chart, and spawned five number one singles—"California Gurls", "Teenage Dream", "Firework", "E.T." and "Last Friday Night (T.G.I.F.)"—Teenage Dream was the only album (after Michael Jackson's Bad)—to do so, and the first female in history to achieve this milestone. She embarked on the California Dreams Tour, which grossed nearly $60 million worldwide. Perry re-released the album under the name of Teenage Dream: The Complete Confection on March 26, 2012, and the re-release has already spawned the number-one single "Part of Me".