Happy Halloween! 🎃🎸👻🥁🦇🎵💀🎹 I thought it might be fun to celebrate with a concert, so this puzzle's theme entries are all appropriately-named bands who are putting on a Halloween show for you. I'm sure something like this has been done before, so rather than scouring lists of relevant band names, I stuck to whatever came to my mind from the bands that I know of. Sure, not all of them are widely known (and at least one of them is really obscure, although that one's my favorite of the bunch by far), but I think I put enough hints in the clues that you'll be able to suss everything out. You'll notice several other answers and clues pertaining to music, as well, to go along with the main theme. In other news, the most recent Sunday puzzle (10/24) over at The Atlantic is mine! Check it out on their site where it will be available for the next week only. (I believe it disappears two weeks after publication date, unless you have an Atlantic  subscription.) Although...