Invention No. 1

Prelude I in C major BWV 846 - Well Tempered Clavier [First Book]

Johann Sebastian Bach (1685 - 1750)

34 bars

G Minor Bach

J.S. Bach

66 bars·hard

Goldberg Variations

Johann Sebastian Bach

990 bars

notation may differ

BWV 974 - Adagio

Bach / Marcello

41 bars