In 1964, Daniel Barenboim and Pierre Boulez performed Béla Bártok’s First Piano Concerto at the recently inaugurated Philharmonie in Berlin. In 1980, Daniel Barenboim and the Orchestre de Paris premiered Boulez’s ‘Notations I – IV’. In that same year, Pierre Boulez met Frank Gehry in Los Angeles while working with the Los Angeles Philharmonic.