Technical Ecstasy

Black Sabbath was unraveling at an alarming rate around the time of their second to last album with original singer Ozzy Osbourne 1976's Technical Ecstasy. The band was getting further and further from their original musical path, as they began experimenting with their trademark sludge-metal sound. While it was not as off-the-mark as their final album with Osbourne, 1978's Never Say Die, it was not on par with Sabbath's exceptional first six releases. The most popular song remains the album closer, "Dirty Women," which was revived during the band's highly successful reunion tour of the late '90s. Other standouts include the funky "All Moving Parts (Stand Still)" and the raging opener, "Back Street Kids." The melodic "It's Alright" turns out to be the album's biggest surprise -- it's one of drummer Bill Ward's few lead vocal spots with the band ( Guns N' Roses covered the unlikely track on their 1999 live set, Live Era 1987-1993).

We Sold Our Soul for Rock n' Roll

We Sold Our Soul for Rock n' Roll is a good single-disc collection of many -- but not all -- of Black Sabbath's best tracks from the Ozzy Osbourne era, drawing about half of its material from the group's first two albums, Black Sabbath and Pariniod. That makes it ideal for the fan who only wants one Black Sabbath disc, but those who want to dig deeper should be advised that all six LPs from the Osbourne period contain high-quality items not present here, especially the under-represented Master of Reality and Vol.4. Still, there's no quibbling with what is here.

Sabotage

Sabotage is the final release of Black Sabbath's legendary First Six, and it's also the least celebrated of the bunch, though most die-hard fans would consider it criminally underrated. The band continues further down the proto-prog metal road of Sabbath Bloody Sabbath, and this time around, the synthesizers feel more organically integrated into the arrangements. What's more, the song structures generally feel less conventional and more challenging.

Sabbath Bloody Sabbath

With 1973's Sabbath Bloody Sabbath, heavy metal godfathers Black Sabbath made a concerted effort to prove their remaining critics wrong by raising their creative stakes and dispensing unprecedented attention to the album's production standards, arrangements, and even the cover artwork. As a result, bold new efforts like the timeless title track and "A National Acrobat", and "Killing Yourself to Live" positively glistened with a newfound level of finesse and maturity, while remaining largely faithful, aesthetically speaking, to the band's signature compositional style. In fact, their sheer songwriting excellence may even have helped to ease the transition for suspicious older fans left yearning for the rough-hewn, brute strength that had made recent triumphs likeallof their previous albums such undeniable forces of nature. But thanks to Sabbath Bloody Sabbath's nearly flawless execution, even a more adventurous!

Vol. 4

Black Sabbath's Vol. 4 is just a cut below its two indisputably classic predecessors, as it begins to run out of steam -- and memorable riffs -- toward the end. However, it finds Sabbath beginning to experiment successfully with their trademark sound on tracks like the ambitious, psychedelic-tinged, multi-part "Wheels of Confusion," the concise, textured "Tomorrow's Dream," and the orchestrated piano ballad "Changes" (even if the latter's lyrics cross the line into triteness). But the classic Sabbath sound is still very much in evidence; the crushing "Supernaut" is one of the heaviest tracks the band ever recorded.

Masters of Reality

With Paranoid, Black Sabbath perfected the formula for their lumbering heavy metal. On its follow-up, Master of Reality , the group merely repeated the formula, setting the stage for a career of recycling the same sounds and riffs. But on Master of Reality, Sabbath still were fresh and had a seemingly endless supply of crushingly heavy riffs to bludgeon their audiences into sweet, willing oblivion. If the album is a showcase for anyone, it is Tony Iommoi, who keeps the album afloat with a series of slow, loud riffs, the best of which -- "Sweet Leaf" and "Children of the Grave" among them -- rank among his finest playing. Taken in tandem with the more consistent Paranoid, Master of Reality forms the core of Sabbath's canon. There are a few stray necessary tracks scattered throughout the group's other early-'70s albums, but Master of Reality is the last time they delivered a consistent album and its influence can be heard throughout the generations of heavy metal bands that followed.

Paranoid

Paranoid was not only Black Sabbath's most popular record, it also stands as one of the greatest and most influential heavy metal albums of all time. Paranoid refined Black Sabbath's signature sound -- crushingly loud, minor-key dirges loosely based on heavy blues-rock -- and applied it to a newly consistent set of songs with utterly memorable riffs, most of which now rank as all-time metal classics. Where the extended, multi-sectioned songs on the debut sometimes felt like aimless jams, their counterparts on Paraniod have been given focus and direction, lending an epic drama to now-standards. The subject matter is unrelentingly, obsessively dark, covering both supernatural/sci-fi horrors and the real-life traumas of death, war, nuclear annihilation, mental illness, drug hallucinations, and narcotic abuse. Yet Sabbath makes it totally convincing, thanks to the crawling, muddled bleakness and bad-trip depression evoked so frighteningly well by their music. Everything adds up to more than the sum of its parts, as though the anxieties behind the music simply demanded that the band achieve catharsis by steamrolling everything in its path, including its own limitations. Monolithic and primally powerful, Paranoid defined the sound and style of heavy metal more than any other record in rock history.