Gustavo Dudamel had pulled a muscle in his neck while conducting Dvorak’s Cello Concerto on the first half of the concert, and would be unable to continue on the second half. This with the tour coming up. Associate conductor Lionel Bringuier, 23 years old, stepped in to conduct Tchaikovsky’s “Pathetique” Symphony, as they say, on short notice.
… and here is the review.