Question: What is the nationality of the principal conductor for the 2004 German documentary film Rhythm Is It!?
Sentence (from "Klauspeter Seibel"): In addition to conducting, Seibel was a professor of conducting at the Hamburger Konservatorium for two decades, and also taught at the Juilliard School, the Chautauqua Institution and at the Jacobs School of Music at Indiana University.
Relevant evidence: No