Aadam Jacobs has recorded over 10,000 local concerts since 1989. Now, a group of devoted volunteers in the U.S. and Europe is methodically cataloging, digitizing, and uploading them one by one:
https://archive.org/details/aadamjacobs (https://archive.org/details/aadamjacobs)
They are about 25% there. Lots of local bands and artists, some big names as well.
Bands that lovingly adopted this and post links to their own shows.
Feels like music was meant to be like this.