Instruments of a Beating Heart” follows a group of first graders in Japan who form an orchestra to play Beethoven’s “Ode to Joy,” as part of a welcoming ceremony for the incoming class of 6-year-olds.

On National Guitar Day on Tuesday, actor Varun Sood opened up about his deep connection with the musical instrument and said for him, playing it is about finding peace in the chaos. “For me, playing ...