This first part of the Tetralogy, which is the prologue, was not divided into acts.
The work of Gringore, just noticed, forms part of such a tetralogy.
The first act of Siegfried is one of the most dramatic in the Tetralogy.
He must be competently instructed in the tetralogy, or first four rules.
He saw what was happening there with regard to matters of art, and that he could not dream of producing his tetralogy.
This time, I am protesting inwardly, but mutely, against the fragmentary representations of the Tetralogy.
This year's festival includes two complete presentations of the "Ring" tetralogy, of which the first began on Monday.
Wagner never tired of exploiting the variation form in his operas, particularly in the Tetralogy.
Wagner was obliged to accept this solution of his difficulties, and thus Bayreuth lost the sole right to the tetralogy.
This series may be divided into two, each forming a tetralogy, or group of four plays.