[2] He reconstructed the original form of some of those works, most of which had been revised and edited many times.
He studied piano and organ at the Imperial Academy of Music in Vienna.
He studied musicology with Guido Adler and Robert Lach at the Vienna University, where he later taught from 1932 to 1973.
Nowak's approach to editing Bruckner's music was much more scientific than Haas's.
Whereas Haas, for instance, combined passages from the 1887 and 1890 versions of Bruckner's Symphony No.