For starters, drop the idea of a single rigid taxonomy — there are too many ways through, even assuming that canonical representations are possible. So we’re probably looking at something at least personal, possibly community-based. Folksonomic tagging would be a start, but how to navigate in a neatly glanceable fashion? I’m thinking of building a personalised acoustic surface, where patches of looped sound are snippets representing genres and subgenres, and which morph into one another ‘at the edges’ so you end up with a navigable 2- or 3-space which is a musical patchwork. ‘Drill down’ into any patch and explore …