A new name may be needed for D.C.’s baseball team, but not for its official music—go-go, an endemic species of funk that is also a keystone in the varied, vibrant ecology of pianist and composer Lafayette Gilchrist. A staple of the adjacent Baltimore jazz scene, Gilchrist here rejoins reed legend David Murray, whose Black Saint Quartet was his springboard to wider (but still insufficiently wide) renown. —E.E.