Conversation so far:
what was Daniel Barenboim's musical style?
Daniel Barenboim has rejected musical fashions based on current musicological research, such as the authentic performance movement.
DidDaniel Barenboim change his musical style?
what was significant about Daniel Barenboim's musical style?
Daniel Barenboim's recording of Beethoven's symphonies shows his preference for some conventional practices, rather than fully adhering to Bärenreiter's new edition.
what else is known about musical style in the musical style section of Daniel Barenboim's Wikipedia article?
Daniel Barenboim has opposed the practice of choosing the tempo of a piece based on historical evidence, such as the composer's metronome marks.

Question: any other interesting information?
Self-contained rewrite: any other interesting information about Daniel Barenboim?