“Human Heart” is a song by Coldplay released in 2021 as part of the album Music of the Spheres. Collaborating with American R&B duo We Are KING, the song presents a soft and emotional atmosphere, with harmonious and minimalist vocals. “Human Heart” discusses vulnerability, emotion, and the complexity of human feelings, conveyed through touching lyrics and simple yet profound music.

The lyrics for “Human Heart” were written by all members of Coldplay—Chris Martin, Jonny Buckland, Guy Berryman, and Will Champion—along with the members of We Are KING. The lyrics describe an emotional journey that is often difficult to express and how the human heart can be so fragile yet strong. This collaboration resulted in a song that reflects the depth of feeling and introspection, making it one of the most intimate songs on the album.