increase font size Portland Ballet performs before a live audience with ‘Momentum’ The production of 'Momentum: 3 Dances for Moving Forward' at the Westbrook Performing Arts Center featured two pieces choreographed by artistic director Nell Shipman that began and ended the evening. By Steve Feeney Share Portland Ballet dancers run through a dress rehearsal of “Momentum: 3 Dances for Moving Forward” at Westbrook Performing Arts Center on Friday. The show on Saturday was Portland Ballet’s first main-stage production in front of a live audience since the start of the pandemic. Brianna Soukup/Staff Photographer The Portland Ballet ended its season this weekend with a brief run of “Momentum: 3 Dances for Moving Forward,” a program suggesting, apropos of the moment, a revitalization as things return to some sense of normalcy.