Listen to Teacup Echoes in Harmony (Key B Ver.) online. Teacup Echoes in Harmony (Key B Ver.) is an Instrumental language song and is sung by The Lovely Sound. Teacup Echoes in Harmony (Key B Ver.), from the album Back to Coffee, was released in the year 2025. The duration of the song is 2:54. Download Instrumental songs online from JioSaavn.