Last year, jazz buffs marveled at Wayne Shorter's improv daredevilry on a newly issued Miles Davis live set from ’67, but the saxist wasn't party to the nostalgia: Shorter kept busy with his own long-running quartet, stopping by the Town Hall for a thrillingly unscripted performance. The group's upcoming Jazz at Lincoln Center stand affords the rare opportunity to witness pure spontaneity in the most luxurious of settings.