The differences between Bruckner's autographand the first printed edition of 1899 are a graphic demonstration of what drastic changes were made for the sake of bringing Bruckner's music into step with the orchestral sound prevalent at the time. The critical report is evidence of the intensitywith which, throughout his life, Bruckner devoted himself to giving his works their final form and shape, paying attention to even the smallest details as he forged the musical texts which he intended to be binding for posterity.binding for posterity.