Three “pop-up” concerts celebrating the new music piano and percussion quartet with special guests Zeena Parkins on harp, Sam Pluta on electronics, Craig Taborn on piano and Tyshawn Sorey on celeste. The concerts are free but seating is on a first-come, first-served basis. The programme comprises works by the guest musicians as well as by Enno Poppe, Mei-Fang Lin and Linda Catlin Smith. New York City Miller Theatre, 27–29 October, 5:30pm, free.