Symphony No. 39 (Michael Haydn) 41 in C major (also written in 1788). The last movement is a vigorous fugato, something else this work has in common with Mozart's Symphony No. 41 and Haydn's own Symphony No. 28 in C major which Mozart certainly studied. Unlike the "Jupiter" Symphony, in this symphony the fugal theme is at its first instance accompanied by its usual countersubject: Robbins Landon speculates that Mozart also studied Haydn's No. 39 before writing his No. 41, since he "often requested his father Leopold to send him the latest fugue that Haydn had written." (Robbins Landon, 1967) Whether Mozart knew Haydn's later
Symphony No. 69 (Haydn) Symphony No. 69 (Haydn) The Symphony No. 69 is a symphony by Joseph Haydn in C major, Hoboken I/69, known as the "Laudon" symphony. Composed around 1775–1776, it represents a stylistic departure from the composer's earlier intense Sturm und Drang period and was written at the same time as Haydn was writing numerous comic operas. Despite the lighter tone, however, the symphony is "as finely crafted, as interesting, indeed as original, as the preceding ones, albeit very different in character." The nickname originated with Haydn's publisher Artaria, who issued a version for solo piano in the mid-1770s. As a device