If you're still tweaking the instrumental, focus on these "sad" production tropes:
Use slow-motion footage of urban environments at night—empty rainy streets, flickering streetlights, or a single person walking through a park. wounds_sad_piano_rap_beat_deep_hip_hop_instrume...
Use a low-pass filter on the main piano melody during the verses to create a "muffled" feeling, then open it up during the hook for emotional impact. If you're still tweaking the instrumental, focus on
"Every line on my face tells a story I tried to burn / Every lesson I learned was a bridge I had to watch turn / to ash in the wind, now I’m breathing in the smoke of the past." If you're still tweaking the instrumental
Layer in sounds of rain, distant thunder, or paper tearing to add texture to the "Wounds" concept.