Mozart, Haydn, Knecht, Vogler, Beethoven, and musical clocks

Question 1

What is a general description of a usual musical clock?

Answer 1

A combination of clockworks and organ mechanisms around since the Middle Ages. A mechanical apparatus gets a roller rotating, with notches in the roller opening valves to organ pipes.

Question 2

Who wrote for mechanical clocks and what did they write?

Answer 2

C.P.E wrote 30 pieces for mechanical clock, h. 635. Haydn wrote 32 pieces for flute mechanical organ.
Mozart and Beethoven both commissioned by Joseph Deym, with Mozart writing his two fantasies in f minor and Beethoven his three pieces. Later Mozart wrote his Andante in F and Beethoven his grenadier march.

Question 3

What is some information around the fugues of Mozart?

Answer 3

Written between 1782-3, prompted by Baron Gottfried van Swieten, who held early matinees of Bach and Handel.

Question 4

What are Mozart’s works for organ and other instruments?

Answer 4

His Sonata all’epistola, which are mostly written for organ and strings. Used as interludes between the Epistle and Gospel at High Mass as Salzburg Cathedral.

Question 5

What are the organ works of Franz Joseph Haydn?

Answer 5

6 organ concertos, HobXVIII: C, D, C, F, C, C
32 pieces for mechanical flute organ

Question 6

What is the significant organ writing of Justin Knecht?

Answer 6

Complete Organ Method for Beginners and More Advanced Pupils
-Published in Leipzig in 1795-98, 3 volumes
-Part II contains “The Resurrection of Christ
-Part II also contains Terzett, Allegro in B flat, Rondo in F

Question 7

What are the organ works of Georg Vogler?

Answer 7

112 petit preludes, 32 preludes

Question 8

What are some of the biographical details around Georg Vogler?

Answer 8

-Padre Martini a teacher
-Wrote many theoretical and pedagogical treatises
-Constructed a portable organ
-Flamboyant personality, revered by Knecht, disliked by Mozart

Question 9

What are some of Beethovens works for organ?

Answer 9

-Two Preludes through all the major keys, op. 39
-Fugue in D major, WoO 31
-Grenadier March for mechanical clock in F, Hess 107
-Three Pieces for a mechanical organ, Wo O 33:
-No 1. Adagio, F major
-No 2. Scherzo, G major
-No 3. Allegro, G major