Keywords: regret, tragedy, sentimental, love, solemn, dreamy, smooth, melancholy, atmospheric, moody, poignant, contemporary, solitude, calm, sadness, intimate, solo piano, somber, floating, bittersweet, nostalgia, pensive, melancholic, cinematic, serene, sparse, contemplative, reverb, minimal, romance, serious, lonely, beautiful, modern, heartfelt, soft, delicate, alone, emotive, romantic, film, classical, thoughtful, nostalgic, tender, gentle, hopeful, introspective, emotional, peaceful, drama, underscore, reflective, sad, piano, slow tempo