As to the time of its composition all the older authorities are silent.
It could be the time of the opera's composition, the mid-1940's.
Was the antetext well known or obscure at the time of the later text's composition?
At the time of its composition, the composer was beginning to pay more attention to the subject matter of his subconscious, such as dreams.
It even possessed, at the time of its composition, a popularity later reserved for Hollywood hits.
He also indicated that it would have been different, or perhaps even non-existent, had he been in power at the time of its composition.
They also display literary references and styles more common to the time of their actual composition.
There is no direct indication within the book regarding the time of its composition.
The work was very popular from the time of his composition and remained so until the end of the medieval period.
The book appears influenced by events that had yet to happen at the time of its composition.