It's been a year since teachers were handed an unprecedented request: educate students in entirely new ways amid the backdrop of a pandemic. In this comic series, we'll illustrate one teacher's story each week from now until the end of the school year.Episode 4Sarah Mamula, a high school orchestra teacher in Clark County Public Schools in Las Vegas, on shifting the paradigm. Copyright 2021 NPR. To see more, visit https://www.npr.org.