The track was born on the "White Island" of , a location that both M-22 and Henderson credit with inspiring its anthemic, classic feel. Though released in 2022, the artists had been "sitting on" the song for roughly four years, waiting for the perfect moment to share it. Henderson describes the M-22 duo as "like family," and the creation process as a memory she will never forget. Musical Composition

"Heartstrings" explores the persistence of romantic attachment and the feeling of being unable to move on.

: Features driving club energy complemented by classical flourishes, including strings from Davide Rossi and piano by Adrien Nookadu .

: The lyrics touch on themes of longing and nostalgia, with opening lines stating, "It's been a while, and nothing's changed," indicating a relationship where feelings remain deep despite time apart. M-22 And Ella Henderson Team Up On Soaring 'Heartstrings'

: "You keep playin' on my heart / Keep playin' on my heartstrings" serves as the euphoric centerpiece of the track.

The song blends soaring house production with powerful, soulful vocals.

: Aside from the main radio edit, the release includes an Extended Mix for DJs and a stripped-back Acoustic version that emphasizes the song's emotional core. Lyrical Themes

: Includes rich background textures from the House Gospel Choir .