Stephanie Griffin, a founder of the Momenta Quartet and the group’s violist, will perform in two concerts at Bates College. The quartet is the Bates music department artists in residence for 2019-20. Griffin’s first concert is with the Bates Gamelan Orchestra, directed by Gina Fatone, in a program of traditional and contemporary works at 7:30 p.m. on Tuesday, Nov. 19. The following evening, joined by bassist Hilliard Greene, Griffin will perform graphic scores, created by visual artists, that are interpreted as sound at 7:30 p.m. on Wednesday, Nov. 20. Both concerts take place in the Olin Arts Center Concert Hall in Lewiston. The concerts are free but tickets arerequired and can be reserved at batesconcerts.eventbrite.com. The Olin Arts Center Concert Hall is located at 75 Russell St., Lewiston. For more information, call (207) 786-6135 or visit olinarts@bates.edu. Submitted photo by John Gurrin