Dramatic song by a five man act - they sing "I Did Not Know" by Trotere.
The Maestro Singers are a five man act. One plays the piano and the other four stand behind him.
They all wear very smart dinner suits with white waistcoats, white bow ties and white flowers in their buttonholes. They are reflected in the shiny piano. C/U of two of the singers. M/S of the five. The song they sing is rather histrionic, a song called "I Did Not Know".
Footage includes end title - "Pathe Pictorial - The End" over sunburst.