The Jackson Jills, the oldest all-female a cappella group at Tufts University, will celebrate the life of their alum Rebecca Rappaport with their ninth annual Rebecca Rappaport Memorial Concert, taking place this year in the Multipurpose Room in Sophia Gordon Hall. There will also be a special guest performance by HYPE! Mimez, New England’s only award-winning collegiate mime troupe, which is based at Tufts.