
Perri was unsigned at the time of the song release, which created a lot of discussion between critics who favored the song. Seeing writing duties by the song's performer Christina Perri, additional writing is seen by Drew Lawrence and Barrett Yeretsian production by the song's writers Barrett Yeretsian and Christina Perri.

I’m pretty certain this is gonna be the biggest audience I’ve ever performed for. The verse of the song is played in the chords Cm Eb Bb Fm the pre-chorus in Fm Ab Eb Bb Fm Ab Bbsus the chorus in Eb Bb Cm Ab (Abm) end with: Eb the bridge in the chords Cm (right hand) Walk down C, B, Bb, A (bass note) Ab G and the outro finishes the song in the chords Ab B F., "Jar of Hearts" received positive reviews from most critics. On January 29, 2012, Perri performed the song live on Dancing On Ice.

HD Jar of Hearts theme in pink or peach depending on how you look at it.
