Musikalisches Opfer: Sietze de Vries improvises a partita on a chorale theme
31:26
Sietze de Vries - Leeuwarden, Sietze de Vries - Improvisation Freu dich sehr, o meine Seele
1:00:30
Sietze de Vries in concert (Martinikerk Groningen)
19:02
Bach - Trio Sonata from The Musical Offering BWV 1079 | Netherlands Bach Society
9:38
BWV 547 - Prelude and Fugue in C Major - James Orford
17:44
Saint-Savin organ, Sietze de Vries improvises on Psalm 33 (July 2017)
24:55
Improvisation: Nun lob, mein Seel, den Herren
21:10
Bach - Partite diverse sopra: Sei gegrüsset BWV 768 - Van Doeselaar | Netherlands Bach Society
27:35