" Study Music, Piano Songs for Concentration and Focus on Learning, Soft Instrumental Piano Music to Study. Piano ...
" Classical Music for Reading, Piano Songs to Study to and Concentration, Relaxing Background Music. Piano Instrumental ...
To induce sleep (a delta brainwave of 5 hertz), a person may need to devote at least 45 minutes, in a relaxed position, listening to calming music. Researchers at Stanford University have said that ...