When Leonard Bernstein celebrated his 70th birthday, he invited Krystian Zimerman to perform the big solo piano part in his Symphony No. 2 'The Age of Anxiety'. Zimerman agreed, Bernstein was over the moon, and asked the pianist to make a promise: 'Please also perform "Age of Anxiety" when I am 100!' Zimerman kept his promise. He performed the works a few months ago with Sir Simon Rattle and the Berlin Philharmonic. Critics and audiences were spellbound and the recording has been rush-released for the Bernstein centenary.