The symphony was popularised by Haydn and became “the chief vehicle of orchestral music in the late 18th century” (Grove 3). In his early symphonies, Haydn, known as ‘the Father of the Symphony’ (Rosen), established the three-movement symphonic structure: Allegro - Andante - Finale (in triple meter). Haydn appears to have followed the structure of the Italian opera overture of the type attributed to Alessandro Scarlatti (Grove 3). This structure became the benchmark and was developed upon by later composers. Eventually, this structure was expanded in to a four-movement structure. This expansion is primarily attributed to the Mannheim composer Johann Stamitz (Wolf). This pattern was followed by Haydn and popularised the structure: Allegro