You think it’s a high C instead of Low B ?
This is a video with him playing it check it out
https://www.instagram.com/reel/Cb3vlqgj3YF/?igshid=N2ViNmM2MDRjNw==
Need help find these strings it’s a 5 string set it seem like he runs metal B and E strings and maybe nylon A D G strings perhaps ? Let me know if yall know .
https://www.instagram.com/p/CWHzD5MLSTu/?igshid=N2ViNmM2MDRjNw==