"By 1638 the disguised Moor had become a theatrical convention."
At first you think her heavy makeup, covering what seems to be a natural peaches-and-cream complexion, is simply a theatrical convention.
In opera, singers mostly adhere to the theatrical convention of the invisible fourth wall.
It is defiant of theatrical convention and hardly a crowd-pleaser.
He enjoyed performing in blackface makeup, a theatrical convention since the mid 19th century.
This was a theatrical convention in the mid-19th century.
To some extent he had to compromise his modernist vision with the theatrical conventions of the time.
Yet it also made one aware of theatrical conventions.
The songs fit together so well as a cycle, in fact, that one hated to imagine them broken up by theatrical convention.
The theatrical convention, depicted in fulsome detail, becomes increasingly contagious.
Wörterbuch für Theaterbegriffe