What is songs the one that got away?

"The One That Got Away" is a song by American singer Katy Perry from her third studio album, "Teenage Dream" (2010). It was written by Perry, Dr. Luke and Max Martin, and produced by the latter two.

The song is a mid-tempo pop ballad that features acoustic guitars, piano, and strings. Lyrically, the song is about an ex-lover whom Perry regrets letting go of and wonders what could have been if they had stayed together.

"The One That Got Away" was released as the sixth single from "Teenage Dream" on October 3, 2011. It peaked at number three on the US Billboard Hot 100 chart, becoming Perry's sixth consecutive top-three single from the album. It also reached the top 20 in several other countries, including Canada, Australia, and the United Kingdom.

The music video for the song follows the story of an elderly couple reminiscing about their past relationship, with flashbacks to their youth. The video ends with the revelation that the woman is actually dreaming and the man is deceased. The video received positive reviews for its emotional appeal and message.

"The One That Got Away" has been covered and sampled by various artists, and its influence and impact on popular culture have been noted by music critics. It has been certified triple platinum in the US and has sold over four million copies worldwide.