The members of Gravity will reunite Saturday at the High Street Roadhouse in Rye, NY. The groups line-up includes Matt Zekela (Dreamspeak), Tom Kaelin (The Hatters) and Greg Koerner (Gent Treadly). Gravity toured in the early nineties and shared the stage with many well-known jam bands such as Blues Traveler and Phish. Showtime is 11 p.m.