A Night at the Opera (álbum de Queen): diferenças entre revisões

| gênero = {{hlist|[[Rock progressivo]]<ref name="allmusic">{{citar web|titulo=A Night at the Opera - Queen {{!}} Songs, Reviews, Credits|url=https://www.allmusic.com/album/a-night-at-the-opera-mw0000391519|obra=[[AllMusic]]|acessodata=2019-06-16|lingua=en-us|ultimo=Erlewine|primeiro=Stephen Thomas}}</ref><ref name="book">{{citar livro|url=https://books.google.com/books?id=gzl1lBFXKhQC&pg=RA2-PT768|título=The Album: A Guide to Pop Music's Most Provocative, Influential, and Important Creations [4 volumes]: A Guide to Pop Music's Most Provocative, Influential, and Important Creations|ultimo=Perone|primeiro=James E.|data=2012-10-17|editora=ABC-CLIO|página=768|lingua=en|isbn=978-0-31337-907-9}}</ref>|[[hard rock]]<ref name="allmusic"/>|[[popheavy rockmetal]]<ref name="book"/>|[[heavypop metalrock]]<ref name="book"/>}}