2 Preludes for fortepiano or Organ Op.39
The Prelude in F minor WoO 55, written when Beethoven was fifteen and clearly reflecting a debt to Johann Sebastian Bach, was possibly an exercise for Neefe, his teacher in Bonn. It may be supposed that the two Preludes through all major keys for the Piano or Organ Op.39 written in Bonn in 1789 but not published until 1803 (by Hoffmeister), had something of the same purpose. Starting in C major and proceeding first through all the major sharp keys, making use of a repeated formula, the Prelude makes its way back, through the flat keys, to its original starting point of C major. The second Prelude follows a similar procedure, an exercise in modulation, as it moves more rapidly through the major keys, using a shorter formula that allows the procedure to be carried through twice.
[YOUTUBE]http://www.youtube.com/watch?v=7v3W4usHcsE[/YOUTUBE]
The Prelude in F minor WoO 55, written when Beethoven was fifteen and clearly reflecting a debt to Johann Sebastian Bach, was possibly an exercise for Neefe, his teacher in Bonn. It may be supposed that the two Preludes through all major keys for the Piano or Organ Op.39 written in Bonn in 1789 but not published until 1803 (by Hoffmeister), had something of the same purpose. Starting in C major and proceeding first through all the major sharp keys, making use of a repeated formula, the Prelude makes its way back, through the flat keys, to its original starting point of C major. The second Prelude follows a similar procedure, an exercise in modulation, as it moves more rapidly through the major keys, using a shorter formula that allows the procedure to be carried through twice.
[YOUTUBE]http://www.youtube.com/watch?v=7v3W4usHcsE[/YOUTUBE]
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