Johann Joachim Quantz's On Playing the Flute has long been recognized as one of the primary sources of information about eighteenth-century performance practice. In spite of its title, it is not simply a tutor for the flute, but a fully-fledged programme for training musicians of all types, with detailed information on intonation, ornamentation, dynamics, the 'duties' of the various accompanying performers, including the leader of the orchestra, and the principal forms and styles (French, Italian and German) of the time. Although Quantz is most often identified as the teacher of Freder.