Bach - "Little" fugue in G minor

The "Little" Fugue in G minor by Johhan Sebastian Bach (1685 - 1750) is a four-voice fugue song composed probably between 1703 -1707 during the stay of Bach in Arnstadt. The song is originally composed for organ. This representation is not 100% accurate.
The voices are distributed as follows:
-Voice 1: Piano
-Voice 2: Harpsichord
-Voice 3: Tongue Organ
-Voice 4: Organ of which discs
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