Evergreen blends the music of Israel and Ireland, with tinges of jazz and classical. The group is playing at Sixth & I Historic Synagogue at 8, and there are pre-concert drink specials at Fadó Irish Pub from 5 to 7. Tickets are free; reserve one at the venue’s Web site.
John “Plantwalker” Francis took a 17-year vow of silence and walked across America; his book about his undertaking is called The Ragged Edge of Silence: Finding Peace in a Noisy World. He’ll talk about his discoveries about the need for reflection and sign copies of his book at the National Geographic’s Grosvenor Auditorium. 7:30; buy tickets ($16 to $18) at the National Geographic site.