>> In case you missed our full interview with Josh Ritter this morning, check it out before heading over to see the singer/songwriter at 9:30 club, with Old School Freight Train. $20 tickets are still available, doors 7:30 p.m. >> Renowned poet Simon Armitage is at Olsson’s in Old Town for a free reading of his latest translation of “Sir Gawain and the Green Knight”. 7 p.m., read all about it in our preview….

Not just anyone can update “Sir Gawain and the Green Knight,” one of English literature’s oldest works — originally written in Middle English — into modern verse. And not just anyone can do that with an eye towards liberating it from scholars and academics to make it accessible to readers of every caste. Of course, Simon Armitage, who will be reading from his works at Olsson’s Old Town tonight, isn’t just anyone. In Britain, where…