What instruments are in jar of hearts?

* Acoustic guitar: The main instrument used in "Jar of Hearts" is an acoustic guitar. Pearce plays a fingerpicking pattern throughout the song, which gives it its signature sound.

* Vocals: Pearce's vocals are the other main instrument in the song. She has a strong, clear voice that carries the melody well.

* Drums: A simple drumbeat is used to provide rhythm to the song. The drums are played on a snare drum, bass drum, and hi-hat.

* Bass: A bass guitar is used to provide low end to the song. The bass follows the same pattern as the guitar, but plays lower notes.

* Keyboard: A keyboard is used to add texture to the song. The keyboard plays a simple melody that complements the guitar and vocals.