Brilliance is understood in our context as "addition" of heights in the range of approx. 6-20khz, which process is relevant in vinyl mastering. Here, large level jumps and extreme energy weighting in the mix should be avoided as a result of the manufacturing method and nature of the vinyl it can lead to the press shop rejecting the production or - which in our opinion is much worse - the record or needle open the plate starting jumping. This can be mitigated with a lower one Overall loudness - anything between -12 and -20 LUFs (but please don't nail us on that).