Interlochen Online to launch Master Class Saturday Series The new series runs April 10-24 and will feature live virtual teaching sessions with young artists in grades 8-12 led by distinguished Interlochen faculty. Following the success of its summer and fall virtual arts education programs, Interlochen Online will launch its inaugural Master Class Saturday Series this Saturday, April 10. The new series will feature five virtual master classes for young artists in grades 8-12 led by distinguished Interlochen faculty. Each session will include live teaching as well as an interactive Q&A where participants can submit questions. Members of the public can register for a class in advance for $25.