The Hitchhikers Guide to the Galaxy notes that Disaster Area, a plutonium rock band from the Gagralacka Mind Zones are generally held to be not only the loudest rock band in the galaxy, but in fact the loudest noise of any kind at all.
16 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 5 sitcom.
You can hear this line at 00:11:12.389 in the Blu-ray version of the TV Series.
Quote context
[...]
- Mr Desiato speaks to no-one.
- Perhaps you'd better let him speak for himself.
- Oh. Why? What's the matter with him?
- Well, hi there, Ford. Did you talk to your big noise friend?
- Uh, Hot... Uh... Hotblack? Yeah, I, er... I sort of spoke to him, yeah.
- Well, not a lot. He's spending a year dead for tax reasons.
- Good evening, ladies and gentlemen.
[...]