I don't about yall but Brazoswood definantly gave me extreme chills at the beginning of their show, though I don't think all that jazzy stuff really fit. I still enjoyed it.
On field judges also listen to individual music, so if a judge is near you. Use the best technique and playing you can muster, which you should be doing anyways. :-)
I walked over towards that area and they were not happy at all, so I just talked to a few friendly bell and Marcus people before I went back to the busses.