John Baldessari:MUSIC May 12 – July 29, 2007 Exhibition view, John Baldessari, Bonner Kunstverein 2007. Exhibition view, John Baldessari, Bonner Kunstverein 2007. Exhibition view, John Baldessari, Bonner Kunstverein 2007. Exhibition view, John Baldessari, Bonner Kunstverein 2007. Exhibition view, John Baldessari, Bonner Kunstverein 2007.