Having under his father 's care received a sound musical education , he became a teacher of music at Truro .
Hempel , eldest son of Charles William Hempel , was born at Truro , Cornwall , in September 1811 .
Having under Hempel 's father 's care received a sound musical education , Hempel became a teacher of music Truro Truro .
Hempel , eldest son of Charles William Hempel , was born at Truro , Cornwall , in September 1811 .