Conversation so far:
What instrument did Daniel Barenboim play?
Daniel Barenboim, KBE is a pianist and conductor who is a citizen of Argentina, Israel, Palestine, and Spain.
What type of music did Daniel Barenboim conduct?
In the beginning of his career, Daniel Barenboim concentrated on music of the classical era, as well as some romantic composers.
Did Daniel Barenboim get the chance to work with Beethoven?
Daniel Barenboim's recording of Beethoven's symphonies shows his preference for some conventional practices, rather than fully adhering to Bärenreiter's new edition (edited by Jonathan Del Mar).
What was Daniel Barenboim's first recording?
Daniel Barenboim made his first recording in 1954. Notable classical recordings include the complete cycles of Mozart, Beethoven and Schubert's piano sonatas, Beethoven's piano concertos.
Any interesting information about Daniel Barenboim's early career?
After performing in Buenos Aires, Daniel Barenboim made his international debut as a pianist at the age of 10 in 1952 in Vienna and Rome.
Anything else about Daniel Barenboim's career since his international debut as a pianist at the age of 10 in 1952?
Since 1992, Daniel Barenboim has been music director of the Berlin State Opera and the Staatskapelle Berlin, succeeding in maintaining the independent status of the State Opera.

Question: How long was his career?
Self-contained rewrite: How long was Daniel Barenboim's career?