Katy Perry Unconditionally. Having been surrounded by what she described as unconditional love, she co-wrote it with the song's producers Dr. Luke, Max Martin and Cirkut to reflect that feeling. Still on her case, we decide to revisit one of her songs that really made wave in 2013  Unconditionally. Oh, did I almost see what's really on the inside? "Unconditionally" is a song by American singer Katy Perry. We always get excited when we get new releases from veteran female singer and songwriter Katy Perry. It was released as the second single from her fourth studio album Prism (2013) on October 16, 2013. Katy Perry - Unconditionally (Live at AMA's 2013) - YouTube Katy Perry Lyrics "Unconditionally" Oh no, did I get too close? Inspiration for the song came primarily from a humanitarian trip to Madagascar that Perry made in partnership with UNICEF. Few days back, a compilation surfaced online with so many songs, some unreleased and other previously released.