en-US Event Tickets http://www.ticketseating.com/gregory-porter-tickets--at-grand-ballroom-at-the-collective-tickets-houston-tx/ To buy Gregory Porter at the Grand Ballroom at The Collective tickets, choose an event below. Buy cheap Gregory Porter tickets for Saturday August 15, 2026 at 8:00 PM at Grand Ballroom at The Collective in Houston, TX. 7846071