As far as I'm concerned, this is the main stage at #btcnashville. 

https://image.nostr.build/a96daa5e4ebab3933cfeaf85cd4a31e0a8b94a83c308dfbce2add46780c674ed.jpg

https://fountain.fm/show/vPO4zdQPHDGUQnL8SDbZ