Dosing the Army ' s loudest voice . Regimental Sergeant Major Brittain , reputed to have the loudest voice in the British Army , is not doing enough shouting to keep his voice in training now that he has become a civilian . Scottish - born singer , Billie Anthony dosed him with some throat medicine before he made his gramaphone record debut with her in ' The Charge of the Light Brigade ' . 8th January , 1957