We have evidence, but a lot of guesswork and experimentation has been performed. Yes, we have the evidence xiaopb lists, but we also have to figure out what to make of it.
Performance practice is a complex thing to discuss... If you want to do some reading, these are good places to start:
Text and Act: Essays on Music and Performance. Written by a very well read man, who is not afraid to share his opinions, and who has a particular way to write. Consider these two ideas: 1) historical performance is not very historical, it's modernist thinking 2) Performance is about actions and not about texts. What now?
I don't know much about Nigel Kennedy, but the idea that the 'cult of authenticity' is ruining classical music has also been made extensively by musicologist Richard Taruskin in the book Text and Act, among other places. Taruskin makes some good arguments, I think, albeit in a polemical manner.
We have evidence, but a lot of guesswork and experimentation has been performed. Yes, we have the evidence xiaopb lists, but we also have to figure out what to make of it.
Performance practice is a complex thing to discuss... If you want to do some reading, these are good places to start:
Edit:
I don't know much about Nigel Kennedy, but the idea that the 'cult of authenticity' is ruining classical music has also been made extensively by musicologist Richard Taruskin in the book Text and Act, among other places. Taruskin makes some good arguments, I think, albeit in a polemical manner.