Listen to 诚挚之心 (旋律) online. 诚挚之心 (旋律) is an Instrumental language song and is sung by DJ小祖. 诚挚之心 (旋律), from the album 诚挚之心 (旋律), was released in the year 2024. The duration of the song is 1:15. Download Instrumental songs online from JioSaavn.