Literature Reference: 金磬玉笙调已久，牙床角枕睡常迟。朦胧闲梦初成后，宛转柔声入破时。乐可理心应不谬，酒能陶性信无疑。起尝残酌听余曲，斜背银缸半下帷。—— 《卧听法曲霓裳》 白居易 The golden chime and jade flute have been tuned for long, the ivory bed and horn pillow are always delayed in sleep. After the leisurely dream is first formed, the gentle voice breaks in. Music can soothe the heart without doubt, wine can cultivate the nature without question. Getting up to taste the remaining drink and listen to the rest of the tune, I lean against the silver lamp with half the curtain down. Source from 'Listening to the Fa Qu Ni Shang While Lying Down' by Bai Juyi.