I just finished up my review of the Joseph Audio Pulsar2 Graphene loudspeakers yesterday, which will appear in early August, and Australian jazz composer Alister Spence and his new solo piano work Whirlpool figured heavily into it. I mention my friend Bob Clarke, a high-end audio distributor, who once told me that he uses the grand piano, not the female voice, to judge an audio system’s strengths. “A great grand piano will tell you everything you need to know,” he said. [...]