Queen's fourth studio album, A Night at the Opera, is a genre-defying masterpiece originally released in 1975 that famously combines hard rock, music hall, and grand operatic arrangements. This 2013 High Fidelity Pure Audio Blu-ray release presents the album with uncompressed, high-resolution audio mastered from the original first-generation tapes. Listeners can experience the iconic tracks in multiple 24-bit/96kHz formats, including both Stereo (2.0) and Surround Sound (5.1) mixes available in PCM and DTS-HD Master Audio.