The fugue explained in a way that everybody can understand by Johann Sebastian Bach himself!

Music credits:

Hildegard von Bingen - "Alleluia Psallat"
performed by the San Fransisco Girls Chorus
with sincere gratitude.
   • O virtus sapientiae, Hildegard von Bi...  

English subtitles available
Nederlandse ondertitels beschikbaar
Sottotitoli disponibili in Italiano (grazie Barbara!)