(Dan Bischoff, Newark Star-Ledger) Open Doors highlights more than 20 galleries and includes five curated shows, 25 artist studios and the annual Creation Nation Art and Peace Parade culminating in the Washington Park Arts Festival. Most events are free, though contributions to the Newark Arts Council are encouraged.

“Call & Response” is on the 14th floor of 570 Broad St. in Newark, and is the headline show of the weekend. For a complete listing of participating galleries, shows, artist studios, events, parties and receptions, visit newarkarts.org/opendoors.

Everything from the Newark Museum and Aljira, a Center for Contemporary Art, to the “Ironbound Unbound #2” show of Hispanic, Indian, Chinese, Haitian and American art (at 92-96 Ferry St., in the Ironbound, between Congress and Jefferson streets) is included on the website, along with hours, reception times and so on.