How do I initialize a sound object in my C# WPF program?

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C#

WPF

I keep on getting an "Object reference not set to an instance of an object" message for my code, whilst what I'm trying to do is to initialize a sound that I have embedded in my program on visual studio, a little help please... Thanks :)

What I have tried:

Uri pathToFile = new Uri("pack://application:,,,/clang (1).wav");
StreamResourceInfo strm = Application.GetResourceStream(pathToFile);
SoundPlayer sp = new SoundPlayer(strm.Stream);
sp.PlayLooping();