Leopold Johann Georg Mozart (1719-1787) was violinist in the orchestra of the Archbishop of Salzburg. He became Hofkomponist and, after 1763, vice Kapellmeister. Leopold composed concertos, symphonies, chamber music, songs, works for piano and organ, cantatas, Masses, and other sacred works. He fathered Wolfgang Amadeus and is remembered for his book on violin technique, Versuch einer gründlichen Violinschule, 1756.