There are some great bands that just plain aren't good when they're live.
An example that I use to share this would be The Black Crowes. They do all sorts of great stuff in the studio, including the use of some fairly obscure guitar tunings. (You don't have to tune a guitar to standard tuning. There are many alternatives.)
This is all well and good when you're in a studio and can prep things to perfection. This is less viable when you're performing in a live environment with a crowd of fans wanting to hear your music.
Frankly, they absolutely sucked when I saw them live. I hoped the first one was a fluke, so I went and saw them again a few years later. Nope. They still sucked.
I'm usually an eternal optimist, and I can't think of anything good to say about their live performances
that I've experienced.
To top it off, entirely unknowingly, a buddy of mine went to see them a while back. When he told me about the concert, he told me how horrible they were. If he'd asked ahead of time, I probably would have warned him -- but suggested he go himself to make up his own mind.
Anyhow...
They've made some great music in the studio. Their version of Hard To Handle is, in my opinion, the best cover ever done. Yes, I prefer it over the original -- and I love Otis Redding!
But, for 'purity', I'll shars the Otis Redding version (the original version:
Also, if you're really bored, look up
scordatura tuning and
microtonal guitars. An altered state of mind and a microtonal guitar can be a bunch of fun, or sound like a hot mess. I suppose that there are theoretically 'infinite' possible ways to tune a guitar. Most of them wouldn't be any good, but it's possible to tune 'em all the way across the spectrum.