Blu-ray High Fidelity Pure Audio pressing of the infamous 1977 debut album from the British Punk quartet. Includes all 12 tracks from the original album plus four additional studio tracks and 14 live recordings on one disc. High Fidelity Pure Audio is the exciting new range of physical HD audio products from Universal Music Group which uses Blu-ray technology to deliver the ultimate listening experience to the user. High Fidelity Pure Audio discs are playable through all Blu-ray devices.