Complex sentence: In 2002 he recorded Anton Bruckner's "Symphony No.9" with the Vienna Philharmonic's, with a reconstructed finale, a most controversial undertake, since the finale was never finished within Bruckner's lifetime.
Split into simpler sentences: In 2002 he recorded Anton Bruckner's "Symphony No.9" with the Vienna Philharmonic's, with a reconstructed finale. A most controversial undertake, since the finale was never finished within Bruckner's lifetime.