Mahler - Symphonies, Complete (Bernstein) re-seeded

There have always been conductors who championed the music of Gustav Mahler, starting with Gustav Mahler. From Bruno Walter to Otto Klemperer to Dimitri Mitropoulos, Jascha Horenstein and others, Mahler the composer never lacked eloquent advocates.But Leonard Bernstein's role in propelling Mahler's music from cult status into the mainstream can never be underestimated.