Sadness is a slow melancholic piano background music. This music has an ambient – atmospheric and classical – cinematic sound. The mood of this track is heartfelt, touching, sad, depressive and sentimental.
这是一首缓慢、忧郁的钢琴背景音乐。 这种音乐具有环境（大气和古典）的电影声音。 这首音乐的心情令人发自内心，动人，悲伤，沮丧和感伤。