Betsey Biggs sound image freedom noise about work thoughts sunday, march 21, 2010 concert and lecture at george mason university fairfax, va program coming soon! tuesday, march 23, 2010 lecture at duke university music department durham, nc 8:30pm, tuesday, may 11, 2010 premiere of "performance for calvin s. hall" part of roulette's mixology festival 20 greene st, nyc