Imagine a symphonic program with all titles in English! To open the new season, Sir Simon Rattle is laying on Judith Weir’s Natural History, A Pastoral Symphony (no, not the “Pastorale”) by Ralph Vaugh Williams, and An Orkney Wedding with Sunrise (as well as bagpipes) by Peter Maxwell Davies—crowd-pleasers all. And then there’s the wild card: Julian Anderson’s “new work (world premiere),” no details. —M.G.