Complex sentence: In 1935 he was awarded the Lambeth degree of Doctor of Music and from that time until his knighthood was generally known by his colleagues, as Walford Davies had been known before him, simply as "Doctor".
Split into simpler sentences: In 1935 he was awarded the Lambeth degree of Doctor of Music. From that time until his knighthood, he was generally known by his colleagues (as Walford Davies had been known before him) simply as "Doctor".