Recommended and mentioned products
Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.
Looks like it is supported on Firefox, but disabled by default, and requires an about:config tweak: https://caniuse.com/?search=setSinkId
Looks like https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaEl... shows it as a...
Rhythm composer modeled after Roland's TR-808 drum machine.
Also of note that Firefox's Web Audio API implementation just isn't very good in general. It's my daily driver, but I won't run Airsonic in it, because after half an hour or so the music reliably starts glitching. Fine in every other client, so it's definitely a Firefox thing, and iO-808  also calls it out in an alert if you go there in Firefox.
Granted, a glitchy audio implementation might be just the thing...