If I remember correctly, “the GD sound” was all about slightly muffled vocals doing battle with raucous organs and guitars, all the while propelled by some unrelenting drumming.
Today is also a Saturday afternoon, not a Tuesday night. One more thing: today is an all ages show. I must admit, I wasn't going to go. The idea of being at a gig with a bunch of pre-teens didn't appeal much as it'd be far too easy to look like a dirty old man.