I’ve found some HD both video and audio of artists I like on Youtube. Most are Japanese but that could be just because most of my favorite artists now are. I’ve found sever HD versions of Perfume concerts videos that are very good. Not quite BD quality but surprisingly good for something off Youtube.

Good luck on all that metadata since someone has to generate it.
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3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1