Cultic and unclassifiable — “clearly some sort of monstrous hybrid” — Bley’s “Escalator Over the Hill,” a 1971 album, is being staged at the New School.
A concert at Town Hall this week that will be led by Arturo O’Farrill and the Afro Latin Jazz Orchestra celebrates the legacies of Dizzy Gillespie, Chano Pozo and Chico O’Farrill.