P I A N O S H E E T H U B

Prelude in C Major

Johann Sebastian Bach · C major · Easy arpeggio study

Educational theme excerpt. Draft: human play-through and source-edition review pending.

Four-bar arpeggio attack-order reduction, not the original two-hand texture. Original key keeps sixteenth-note attack spacing but shortens held lower voices to each attack. Easy gives each attack one beat. Intermediate adds a low root cue at each bar opening. The remaining bars and sustained accompaniment are outside this study.

C4 E4 G4 C5 E5 G4 C5 E5
C4 E4 G4 C5 E5 G4 C5 E5
C4 D4 A4 D5 F5 A4 D5 F5
C4 D4 A4 D5 F5 A4 D5 F5
B3 D4 G4 D5 F5 G4 D5 F5
B3 D4 G4 D5 F5 G4 D5 F5
C4 E4 G4 C5 E5 G4 C5 E5
C4 E4 G4 C5 E5 G4 C5 E5

Letters name pitches; numbers identify octaves. A dash means rest. Easy mode uses one beat for every event.

A small practice plan

1. Learn C4, E4, G4, C5, E5 before adding the return to G4.
2. Read each eight-note pattern twice; that pair forms one source bar.
3. Move the hand back toward C4 between patterns instead of holding a wide stretch.
4. Notice D and A in the second bar, then B3 in the third bar.
5. Use Original key for quarter-beat attacks. The original sustained lower voices are not supplied by this reduction.

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