Probably not what you’re thinking: the Fringe concerts associated with the Berkeley Festival & Exhibition of early music. You know, things like Evensong by William Byrd, a medieval vespers with music by Hildegard de Bingen, a Baroque lute recital, a musical marathon of music by Marais on the viola da gamba (“until the cake runs out”), etc. And before you say it, why yes I am a geek.