哄睡子宮心跳白噪音

哄睡子宮心跳白噪音 is a melancholic song by 微笑旋律寶寶音樂 with a tempo of 69 BPM. It can also be used double-time at 138 BPM. The track runs 2 minutes and 28 seconds long with a A♯/B♭ key and a minor mode. It has low energy and is not very danceable with a time signature of 4 beats per bar .