"Because they make you think about the music. And when you're thinking about the music, you aren't hearing it"<p>-- Alan Watts, more or less
I run a dedicated one on my Mac, cost a few bucks but it's way cooler than anyone that came with a player in the past, although the way it feeds audio into the visualizer using the microphone is pretty weak.<p><a href="https://www.discobrick.com" rel="nofollow">https://www.discobrick.com</a>
Since I do my best to keep one online, to me music visualizers are now online : <a href="https://do.adive.in/music/" rel="nofollow">https://do.adive.in/music/</a> :)
The author mentions a web-based Spotify music visualizer (that actually works!), <a href="https://www.kaleidosync.com" rel="nofollow">https://www.kaleidosync.com</a><p>Such a nice retro thing :)