Great Conductors: Carlos Kleiber Carlos Kleiber is far too sensitive and self-critical to maintain an unbroken relationship with the public. He hates routine, and his appearance are often months apart. This is one of the reasons why he agreement to do this film recording was considered quite a cop. Kleiber's distinctive qualities are his precision, politeness, charm, imagination and astonishing success at achieving the effects he desires. These rehearsals and performances are uniquely memorable.