I was invited by my friend Justin Solonynko, who teaches math at Abington Friends School, to participate in a TED talk on the Philosophy of Folk Music. It was a long day of 20 minute talks on the the theme of Ideas worth spreading. Speakers on Math (Justin), Buckminster Fuller, Italian architecture in Philly, HD Thoreau’s influence on Frank Lloyd Wright, and other interesting topics. I was the big finale (??), so I pontificated on Pete Seeger, Higher order thinking, and basically played with the folks. A fine event and a good time to cogitate on what I do.