Reversing the Great Migration of a century ago, jazz now seems to be surging southward in search of freedom (read: permissiveness) and the opportunity to perform before large crowds. Close on the heels of Miami’s Bayfront Jazz Festival, New York’s Blue Note Jazz Club kicks off its shoes for socially distanced shows by Arturo Sandoval (June 5 and 6), Robert Glasper (June 12), and Big Freedia and the Soul Rebels (June 26). —E.E.