Listen to Night School (Relaxing Music) online. Night School (Relaxing Music) is an Unknown language song and is sung by Brain Training Society. Night School (Relaxing Music), from the album Brain Power - Music for the Classroom, Instrumental Study Music, Calming Music for Reading, Exam Study, was released in the year 2015. The duration of the song is 6:50. Download Unknown songs online from JioSaavn.