Both the San Francisco Giants and Philadelphia Phillies will host a pair of Grateful Dead-themed nights at their respective ballparks as the baseball regular season enters the home stretch.

For starters, the Giants, who routinely celebrate the Dead, will pay homage to Jerry Garcia on August 18 with Jerry Garcia Tribute Night as they take on the New York Mets. Among the items received in the ticket purchase include a Jerry Garcia-themed Giants hat, VIP edition Garcia-themed Giants item only available to ticketholders. Members of the Garcia family will also be on hand at the pre-game party.

Meanwhile in Philadelphia, the Phillies will celebrate the Dead on August 2 when they host the San Francisco Giants. The first 1,500 fans who purchase tickets through this promotion will receive a coupon for an exclusive Phillies/Dead t-shirt. $4 from each ticket sold will also go to the band’s Rex Foundation.