It’s opening weekend for various concert series, I wound up with three.  <div dir="auto"><br></div><div dir="auto">Single ticket, free to the first request.  </div><div dir="auto"><br></div><div dir="auto">Friday, 8 pm BEMF Dutch Renaissance music for voice and strings.   First church congregational, Harvard Sq.  <div><a href="https://bemf.org/concert-season/cappella-sollazzo/">https://bemf.org/concert-season/cappella-sollazzo/</a></div><div dir="auto"><br></div><div dir="auto">Saturday 3 pm, Blue Heron Renaissance Choir.  16th century French on a theme of nightingales. First Church congregational. </div><div dir="auto"><br></div><div dir="auto">Sunday 3 pm. Boston Baroque, Beethoven’s ninth symphony.  Jordan Hall, Boston.  </div></div>