Keywords: regret, desolate, floating, romantic, beautiful, contemplative, solo, intimate, melancholic, soundtrack, thoughtful, simple, alone, soft, atmospheric, delicate, tender, minimal, classical, crying, sparse, sentimental, underscore, hopeful, calm, gentle, bittersweet, lonely, nostalgic, peaceful, drama, film, somber, emotional, introspective, sad, reflective, solo piano, piano, slow tempo