Listen to The Planets, Op. 32: VII. Neptune, the Mystic online. The Planets, Op. 32: VII. Neptune, the Mystic is an Instrumental language song and is sung by London Philharmonic Orchestra/Sir Adrian Boult/Geoffrey Mitchell Choir. The Planets, Op. 32: VII. Neptune, the Mystic, from the album The Classic Experience - 135 of the greatest classical tracks, was released in the year 2012. The duration of the song is 5:30. Download Instrumental songs online from JioSaavn.