Complex sentence: Wilma Neruda, Lady Hallé, (1839--1911) a Czech violinist, made her first public appearance as a violinist in Vienna at the age of seven, playing one of Bach's Violin Sonatas.
Split into simpler sentences: Wilma Neruda, Lady Hallé, (1839--1911) is a Czech violinist. She made her first public appearance as a violinist in Vienna at the age of seven, playing one of Bach's Violin Sonatas.