Listen to Unspoken Lullaby of Learning online. Unspoken Lullaby of Learning is an Instrumental language song and is sung by Tea Cakes Club. Unspoken Lullaby of Learning, from the album 静かに読書を楽しむBGM, was released in the year 2024. The duration of the song is 1:32. Download Instrumental songs online from JioSaavn.