Listen to The Spectre (Alan Walker Piano Cover) online. The Spectre (Alan Walker Piano Cover) is an Unknown language song and is sung by The Spectre, Piano Pop Sounds and Piano Dreamers. The Spectre (Alan Walker Piano Cover), from the album The Spectre (Alan Walker Piano Cover), was released in the year 2019. The duration of the song is 3:11. Download Unknown songs online from JioSaavn.