Nice!
If I may be so bold, I'd like to offer a couple of opinions, not on the functionality but on the UI.
1) Maybe have less bandnames per page? I think 24 is perhaps too many to take in at a time?
On the other hand, on my (ordinary-ish?) size screens, on page load, without scrolling, I can only initially see 8 names on my desktop screen, and 4 on my phone.
Since the 'generate' button is readily accessible, I would be more inclined to simply press 'generate' to see more, rather than scrolling, except...
2) The UI animations:
a) The fireworks are fun, but become distracting and a bit much after a few hits of the generate button.
b) The fade-in of the band names slows you down if you're hitting the generate button repeatedly in quick succession
Do feel free to ignore me completely - maybe other people have larger screens than me...?
Nice URL, btw