The iconic "Sonbahar" (Autumn) track from the Deli Yürek series is primarily an instrumental piece composed by the group Aria, often associated with thematic, melancholic lyrics in fan renditions. You can find the full lyrics at: Smule: Sonbahar Smule: Deli Yürek Letras: Dizi Müzikleri YouTube: Deli Yürek Jenerik