Gentle Giant would be pretty cool as not only you'll be at awe with the size of the giant you know the Giants won't actually hurt anyone.
Nirvana - Go to a concert and reach enlightenment.
The Cure - anyone with a terminal illness would want to go to see it
The Band is an obvious one as you just see a regular rock concert
president of the united states - hey seeing Trump would be cool irrespective if you hate his politics.
Then there's something like Barenaked ladies which would be a spectacle