Snow Pond Arts Academy strings students were invited to join the Femmes of Rock for a master class on Friday at the Waterville Opera House. Ethan Michaud, Carli Negron-Maron, Kyle Thrace, Kate Brenner Simpson, Payton Mcfadden and Alyssa Bennett met with the Femmes of Rock founder Nina DeGregorio and musicians Ginny Luke, Ghristina Riegert and Carissa Werner.