Recommended Relaxing BGM with Music Box and Alpha Waves for Calm Sleep, Deep Sleep Music's ' "Classic Recommended Relaxing Music Box BGM for Falling Asleep" was released on its scheduled release date, December 28, 2025. The duration of This song is about two minutes long, specifically at 2:04. This song does not appear to have any foul language. Classic Recommended Relaxing Music Box BGM for Falling Asleep's duration is considered a little bit shorter than the average duration of a typical track.