I went to a concert of Tokyo Ska Paradise Orchestra a while ago, and it was brilliant. There are 10 guys up there, and it feels like this wall of sound is coming toward you from the stage.
Later on I noticed that they actually perform with Shena Ringo on the single Mayonaka ha Junketsu! I loved all the songs on that single, and know I know why. Funny how those things come together sometimes
Here's a taste of their live performance: