Yehudi Menuhin was an amazing man, and an even more amazing musician. Conductor Sergiu Celibidache was an excellent conductor, yet also highly opinionated about his peers, as well as of some composers.
I will skip the details. What is more important is the music that they were able to present together.
Here is a recording of the Brahms violin concerto. Particularly the second movement is one of the most lyrical performances I have ever heard: