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, a freshman, is in front. In back, from left, are Ginny Luke, Femmes of Rock musician; Ghristina Riegert, Femmes of Rock musician; Carli Negron-Maron, a junior; Kyle Thrace, a junior; Kate Brenner Simpson, a senior; Payton Mcfadden, a junior; Alyssa Bennett, a junior; Nina DeGregorio, Femmes of Rock founder; and Carissa Werner, Femmes of Rock musician.