Assuming you mean perfect remakes with higher quality samples, no. At least, not to my knowledge, and I think I can confidently tell you why

True, his songs weren’t always released in the highest audio quality. However, unlike the current project by CavePony to remake music videos in high definition, trying to remake the songs themselves would be way more difficult, starting with the daunting task of finding the exact audio snippets and getting yet more challenging when you start to seek random instruments and effects. It would also be way less rewarding than the video remake project, since the result would be a barely perceptible boost in the audio quality