TIWTFB-1.0.jar
implementation fg.deobf("curse.maven:this-is-where-the-fun-begins-391176:2985629")
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The mod file. Simply place it in your .minecraft\mods folder (or wherever your installation directory is), and you'll have the sound available for use!
If you're using it with the Ding mod, you'll want to set the config file as specified here.