Joy for some but predicament for a lot other. Hardly any other invention causing so much nuisance as Karaoke:

[1] https://e.vnexpress.net/news/life/karaoke-causes-noise-pollu...

[2] https://www.vice.com/en/article/xg89ka/philippines-hotline-n...

[3] Karaoke as a hidden form of prostitution https://www.elliehutchison.com/blog/karaoke-and-the-sex-indu...

Shigeichi Negishi, the Inventor of Karaoke, Dies at 100 The Tokyo-based entrepreneur was the first to automate and commercialize the singalong in 1967, although he never patented his creation