Episode 36 - 1.28 at around the 16:00 minute mark
Music: Death Note Theme · Yoshihisa Hirano https://www.youtube.com/watch?v=KKDiF7a7F-4
The first upload I know of: https://www.youtube.com/watch?v=scF4F8Ac7w0
1080p Bluray Upscaled to 4K with Topaz video AI (not very aggressive, the original material is very grainy/noisy already)