Soundplayer.playlooping does nothing

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C#

WPF

SoundPlayer.PlayLooping does *NOTHING*

What I have tried:

this

private void MenuInit()
{
    SoundPlayer snd = new SoundPlayer("../../assets/menu.wav");
    snd.PlayLooping();
}

also yes, i do know that the "../../" part does work, as i used it in a different part of the code:

// working proof of the nice ../../
SoundPlayer sound = new SoundPlayer("../../assets/splash.wav");
sound.Play();

Also-- i tried the .Play() method too, and it also did nothing