PERSON@1 -LRB- `` The Rhine Gold '' -RRB- is the first of the four operas that comprise PERSON@2 -LRB- The Ring of the Nibelung -RRB- , by PERSON@3 .

PERSON@1 -LRB- The Rhinegold -RRB- is an opera by PERSON@3 . It is the first of the four operas that together tell a story called PERSON@2 -LRB- The Ring of the Nibelung -RRB- .
