Keywords: regret, heartfelt, romantic, cinematic, romance, serious, expressive, lonely, floating, nostalgic, tragedy, melancholic, minimal, flowing, beautiful, solo, sentimental, soft, underscore, contemporary, contemplative, calm, peaceful, nostalgia, thoughtful, gentle, hopeful, introspective, classical, delicate, tender, film, emotional, reflective, drama, bittersweet, solo piano, sad, piano, medium tempo