It sounds like you are looking for the – a modern critical edition of the Gregorian gradual (the sung Mass propers).
Here is the most relevant, actionable content regarding the version of the Graduale Novum.
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It sounds like you are looking for the – a modern critical edition of the Gregorian gradual (the sung Mass propers).
Here is the most relevant, actionable content regarding the version of the Graduale Novum.