In the conclusion six harps are used to accompany the cries of some betrayed servants.  Scene 1 opens with a 136-measure prelude based on an E-flat chord that grows and expands; and in the transition to Scene 3 the orchestra falls silent, leaving a forging rhythm to ring out on eighteen tuned anvils.  Scene 4 includes Erda's warning and the "Entrance of the gods into Valhalla" near the end.  FTP, name this opera that introduces us to Alberich and
In the conclusion six harps are used to accompany the cries of some betrayed servants.  Scene 1 opens with a 136-measure prelude based on an E-flat chord that grows and expands; and in the transition to Scene 3 the orchestra falls silent, leaving a forging rhythm to ring out on eighteen tuned anvils.  Scene 4 includes Erda's warning and the "Entrance of the gods into Valhalla" near the end.  FTP, name this opera that introduces us to Alberich and Wotan, the first of Wagner's Ring Cycle which is named for a river treasure.
In the conclusion six harps are used to accompany the cries of some betrayed servants.  
Das Rheingold or The Rhinegold