Measurements are definitely helpful. But what everyone experiences as pleasant varies. And what we call pleasant we tend to define as good as well. There the trouble starts.
I´d never expect anyone to like my prefered sonic signature.
When I bought my first stereo the shop owner told me he had sold an amp/speaker combination that was horrible to his ears, but the buyer was a professional cellist and the setup reproduced his experience as a player sitting in the orchestra very well.
„Pleasurably better“ – that´s a good term, because it´s asking to define what exactly is pleasurable. I also like the „euphony“, literally translated as „good sound“. We know euphoria and that it´s experienced in individual ways, so here´s an audio specific sister word.