Conversation so far:
What is Parlophone in relation to George Martin?
George Martin joined EMI in 1950 as an assistant to the head of EMI's Parlophone Records from 1950 to 1955.
Who was the head of Parlophone Records Limited when George Martin worked as an assistant to the head of the record label?
Oscar Preuss was the head of EMI's Parlophone Records from 1950 to 1955 when George Martin worked there.
Why did Oscar Preuss retire from working at EMI's record label Parlophone?
Although having been regarded by EMI as a vital German imprint in the past, Parlophone Records was then not taken seriously and only used for EMI's insignificant acts.
Are there any other interesting aspects about Oscar Preuss' retirement from EMI's record label Parlophone Records?
After taking over Parlophone Records, as head of artists and repertoire George Martin recorded classical and Baroque music, original cast recordings, and regional music from around Britain and Ireland.
Did George Martin receive any awards for his work as head of artists and repertoire?
While he did not win any awards, George Martin's work transformed the profile of Parlophone from a sad little company to a very profitable business.
Can you tell me more about the two-man show George Martin recorded while head of talent at Parlophone Records?
As a producer, George Martin recorded the two-man show featuring Michael Flanders and Donald Swann, At the Drop of a Hat, which sold steadily for twenty-five years.
Did George Martin produce anything else besides the two-man show At the Drop of a Hat?
George Martin's breakthrough as a producer came with the Beyond the Fringe show cast album.
How did Beyond the Fringe fair as a show?
Beyond the Fringe is widely regarded as seminal to the satire boom, the rise of satirical comedy in 1960s Britain.

Question: Did he have any other director roles?
Self-contained rewrite: Did George Martin have any other director or producer roles?