这张背景音乐专辑特别调谐至417Hz。417Hz是一种与自然节奏（如人类心跳和呼吸）紧密相关的频率，提供一种舒缓而温柔的声音体验。它有助于释放肌肉紧张，平衡自主神经系统，减少压力，改善睡眠质量，并支持持续的专注和集中。非常适合工作、学习或在睡前放松，这张专辑营造出一种宁静的氛围，让你感到轻松。爵士乐的温柔旋律轻柔地包围着你的心灵，带来深深的宁静。这是一种适合任何场合的治愈音源。This BGM album is specially tuned to 417Hz. 417Hz is a frequency said to be closely aligned with natural rhythms such as human heartbeat and breathing, offering a soothing and gentle sound experience. It is known to help release muscle tension, balance the autonomic nervous system, reduce stress, improve sleep quality, and support sustained focus and concentration. Perfect for work, study, or winding down before sleep, this album brings a calming atmosphere that helps you feel at ease. Let yourself be embraced by a sense of peace through its gentle tones.Jazz that heals mind and body fatigue and brings deep refreshment. Its gentle melodies softly envelop your heart, bringing deep peace. This is a healing sound source that fits any situation.