Listen to 失われた夢 - #3 online. 失われた夢 - #3 is an Instrumental language song and is sung by ピアノ リラクゼーション. 失われた夢 - #3, from the album リラクゼーション ピアノ BGM - 作業用BGM, was released in the year 2019. The duration of the song is 4:06. Download Instrumental songs online from JioSaavn.