Dimkqo

I solved that problem in part. There some code problems in module mdx.py. So, i edited these lines and now it can separate vocals and instrumental: mdx.py: ... 169 mix_waves...

The method `char.ToLower` requires known [CultureInfo](https://learn.microsoft.com/en-us/dotnet/api/system.globalization.cultureinfo?view=net-7.0) and [TextInfo](https://learn.microsoft.com/en-us/dotnet/api/system.globalization.textinfo?view=net-7.0) attributes (or plugs?). I discovered that method `char.ToLowerInvariant(char)` works fine.

I might be too late and i can't explain it, but this sample works for me: ``` Console.WriteLine("Printing time. . ."); // Just info string time = DateTime.Now.Hour.ToString() + ':'...