Listen to Invisible Relaxing Music online. Invisible Relaxing Music is an Unknown language song and is sung by Study Music Guys. Invisible Relaxing Music, from the album Study Relaxing Music – Instrumental Music for Reading, Piano and Flute Sounds to Increase Brain Power, New Age Focus Music, was released in the year 2015. The duration of the song is 6:10. Download Unknown songs online from JioSaavn.