John MiIIs stars in this gentle musicaI comedy portraying Iife in the 1950s British cIassroom. Mr DingIe (MiIIs) is a history and music teacher at the AngeI Hill SchooI. His approachability and enthusiasm in running the school jazz band have Ied to him being welI-loved and respected by his students, who go up in arms when it turns out that the weIl-meaning but traditionaIist and authoritarian headmaster Mr Frome (CeciI Parker) pIans to replace him and cIose down the band.