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.
Bayreuth, Germany
Rienzi
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
Yes he did.
Richard Wagner