This video is a cover song using the 708/残響P's music + UTAU tuning. I think it would be better to use the original music. Check out the terms and conditions of the original music => ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-oc9DMSgpcuE.htmlsi=98FJS6hCi6AhbLEd