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. 41 (Mozart) Later, he used it in the Credo of an early "Missa Brevis" in F major, the first movement of his Symphony No. 33 and trio of the minuet of this symphony. Scholars are certain Mozart studied Michael Haydn's Symphony No. 28 in C major, which also has a fugato in its finale and whose coda he very closely paraphrases for his own coda. Charles Sherman speculates that Mozart also studied Michael Haydn's Symphony No. 23 in D major because he "often requested his father Leopold to send him the latest fugue that Haydn had written." The Michael Haydn No. 39,