by Secrets of Organ Playing

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AVA163: How Do I Determine Which Mode The Piece Is Written In? Anne writes: Good Morning Vidas and Ausra – I have a question for you. I am working on Bach’s Christ Lag In Todesbanden from the Orgelbuchlein (Riemenschneider Edition). The Key Signature for the Chorale is D minor (B flat) but there is no B flat in the key signature for the Prelude. However the piece is apparently written in D minor. I’m assuming it’s modal. My question is how do I determine which mode it is written in? BTW, I am working on your pedal exercise from the Bach BWV 540 in all Major keys and the Cadence transposed to 24 keys. I really like them to get warmed up on before my daily practice. Thank you so much for taking the time to do that! Thanks!

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