West Coast Live Sound Ecosystem — Interactive Matrix
How We Got Loud · Working Research Atlas

West Coast Live Sound Ecosystem

An interactive view of the companies, people, promoters, venues, events, technologies, manufacturers, regions, and deep case files currently documented for the 1960s and 1970s.
Interactive Matrix v1.1Working files updated Aug. 2, 2026
Not a final claim map
Click any node or table row to isolate its relationships.

Visible layers

Reading the network
documented/directly statedworking/inferred/needs verification

Chronology of pressure points

Company formation, venue systems, festivals, touring breakthroughs, production infrastructure, and unresolved event reconstructions. Later dates appear only where they explain a pre-1980 lineage.

Entity matrix

The searchable structured layer. Use it as an index into the graph rather than as a claim that every entity is equally documented.

LayerNameRegionPeriodConfidencePriorityWorking significance

Research gap board

The open questions are not a weakness in the project. They are the control system that prevents uncertain memories, poster credits, and corporate lore from silently becoming established fact.