The use of a soulful, grieving folk song against a heavy mafia-action drama highlighted the internal vulnerabilities, family loyalties, and fatalistic grief experienced by the show's hardened characters.

Zara utilizes her signature smooth, emotive vibrato to emphasize the song's melancholic depth.

Gönül Dağı - Lyrics and Music by Zara arranged by muratmaca

"Gönül dağı yağmur yağmur, boran olunca" (When the mountain of the heart becomes rainy and stormy). Ertaş uses stormy mountain weather as a metaphor for intense emotional turmoil and grief.