Ask Peter Brueninger, he might remember you can ping him over on Audio Asylum, where he is a frequent contributor.
Joseph Audio Pulsar Sp. on YOUTUBE-
Can someone PLEASE help me to identify the female vocalist on the youtube video demonstrating the Joseph Audio Pulsar/Bel Canto system? there's also a VPI Classic Turntable displayed in the video. i was really impressed with her voice and her singing style. IF you know who she is let me know. thanks!