Well, Washington, we may not have a Shostakovich festival (*sniff*), but there are some concerts of contemporary music to lead off this week’s agenda. Nothing is scheduled for Halloween itself, so before that alcoholic “ghastly goblin” feeling sets in or after it has finally worn off, you should get out there and hear some new music. CONTEMPORARY: >> Monday night is a big one, with a recital of new music (October 30, 7:30 p.m.) by…

The Library of Congress hosts the best free concert series in Washington. The 81st season got officially under way last night when the Beaux Arts Trio came to town. Since the group combined founding pianist Menahem Pressler (age 82) with cellist Antonio Meneses and violinist Daniel Hope in 2002, I have heard them twice, at the Library of Congress in 2004 and at the National Gallery in 2005. The group continues to uphold the name…