Unpkg Support
Javascript and CSS assets have been better built and supplied for https://unpkg.com/
https://unpkg.com/browse/waveform-playlist@4.0.6/
A new basic html site example can be found here: https://github.com/naomiaro/waveform-playlist/tree/main/examples/basic-html
This example can be placed on a web server to run with no other setup.