If by transition, you mean 'link' -- one can find re-iterations in Wagner's Ring operas -- each of the four -- of the entire story, told and retold in other operas, for example.
This means that in order to understand the Ring stories, it may not be necessary to enjoy all four -- about 26 hours -- operas, but you may miss out if you do not attend them all.
The opera Lohengrin by Richard Wagner.
wagner
Wagner's opera entitled "Tristan and Isolde" is about a young man who falls in love with the woman promised to marry the king.
Rienzi
Bayreuth, Germany
Romance and Forbidden Love
Romance and Forbidden Love
Wagner's last opera Parsifal was composed in 1882 to raise money for the deeply indebted Festival Theater in Bayreuth.
Hitler was a very big fan of the music of Wagner; he considered Wagner to be a musical genius, so it can be assumed that Hitler did go to the opera.
Romance and forbidden love -Apex
The opera house built after Richard Wagner is the Bayreuth Festspielhaus, located in Bayreuth, Germany. It was specifically designed for the performance of Wagner's operas and opened in 1876. The venue is renowned for its unique architectural features and acoustic qualities, making it a significant site for Wagnerian opera.
Wagner based his opera on a courtly romance written by Gottfried von Strassburg in the late 12th century, based on a local legend.