Pop singer-songwriter Ava Max will headline CITY Block Party’s Friday event with rock band The Scarlet Opera and local DJ Stazi opening the festivities that evening. The performance is on the Lou Fusz Plaza at CITYPARK. General admission tickets for CITY Block Party’s Friday, October 20 event are free to claim for all ages on a first-come-first-serve basis (limited quantities available). Attendees can now claim their ticket, up to two per person, at www.seatgeek.com or via the SeatGeek or STL CITY SC apps. Tickets to the October 21st match are not included.