When did Beethoven compose his 9th symphony?
Symphony No. 9 (Beethoven)
 on YouTube, Wilhelm Furtwängler conducting the Berlin Philharmonic on the eve of Hitler's 53rd birthday
 on YouTube,  on YouTube,  on YouTube,  on YouTube, Nicholas McGegan conducting the Philharmonia Baroque Orchestra, graphical score
 on YouTube, Leonard Bernstein conducting at The Freedom Concert in Berlin, Christmas 1989
 on YouTube, Leonard Slatkin conducting the fourth movement at The Last Night of the Proms in Royal Albert Hall, a couple of days after 9/11 2001
 on YouTube,  on YouTube, Daniel Barenboim conducting, Sumi Jo performing