Kleiber, Carlos. (1930–2004) Autograph LetterImportant 2 page ALS to David Blum, the symphonic conductor and writer on classical music. Concerning a bit on his unpredictable schedule, but mostly about Blum's book "Casals and the Art of Interpretation," the nature of "hero authority" and mentioning a number of leading conductors, the variability of interpretation with a discourse on Puccini etc. etc. 11. 5 x 8. 25 inch (29 x 21 cm). Letters from Kleiber are of legendary rarity and this is