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The three-disc box set Collected Works contains all of Simon & Garfunkel's studio albums, from Wednesday Morning, 3 AM to Bridge Over Troubled Water. Though this is too much material for casual fans, any serious fan of Simon & Garfunkel or folk-rock will need to acquire the set, simply because it presents the albums in their best-ever sound…

Here is a package that satisfies intellectual curiosity and is musically delightful. This two-disc set begins with a precise, but still musical, harpsichord performance of Bach's Goldberg Variations by Céline Frisch. Her Aria is clean, with both the melody and the bass line countermelody clear and phrased so that everything comes together well. Her ornaments fit naturally into the melodies throughout the variations, without drawing attention away from the tune, and she always has a sense of direction and forward momentum. The second disc contains the 14 canons on the first eight notes of the bass of the Aria from the Goldberg Variations and the two songs that are contained in the quodlibet near the end of the Variations. The canons are rich and warm performed by Café Zimmermann, a string sextet that includes a double bass, with excellent contrasts in the feel of each canon. The song Cabbages and Turnips Have Driven Me Away is the highlight of the two discs. Period instruments accompany Dominique Visse as he sings about a hunter bringing a girl home to meet his mother. Visse switches from a jolly, idiomatic tenor voice for the hunter to a smooth alto for the girl, and a slightly grating alto for the mother, often in mid-verse.

The Diablo Swing Orchestra dates back to 1501 in Sweden, where history tells the tale of an orchestra that played like no other. With music so seductive and divine that the ensemble overwhelmed audiences all over the country, and people from all social classes took them to their hearts. Their performances rapidly earned a reputation of being feral and vigorous and gained the orchestra a devoted crowd that followed them around…

Rick Wakeman's third solo album is among his best, as he employs his vast array of keyboards to their full extent, musically describing the characters pertaining to the days of King Arthur's reign. With orchestra and choir included, although a little less prevalent than on Journey, he musically addresses the importance and distinguishing characteristics of each figure through the use of multiple synthesizers and accompanying instruments…

Spock's Beard began in 1992 when brothers Neal (lead vocals) and Al Morse (guitar) teamed up with drummer Nick D'Virgilio. After self-financing their first album, bassist Dave Meros joined, and The Light was recorded in 1994. Consisting of four lengthy songs, this debut album was well received by progressive rock fans, but received little public acclaim…

Supertramp followed an unusual path to commercial success in the 1970s, fusing the stylistic ambition and instrumental dexterity of progressive rock with the wit and tuneful melodies of British pop, and the results made them one of the most popular British acts of the '70s and ‘80s, topping the charts and filling arenas around the world at a time when their style of music was supposed to have fallen out of fashion…

More than many, more-fêted stars, Jennifer Lopez seems emblematic of 00s pop: slick, blinged-up, powerful and ambitious enough to overcome such peasantish problems as a lack of innate aptitude for the form. And, for a while, her attitude worked to superb effect: she's the quintessential "more great songs than you initially assume" artist, with Love Don't Cost a Thing, Whatever You Wanna Do, If You Had My Love and – best of all – the Murder remixes of Ain't It Funny and I'm Real all high-water marks. But even her most passionate defenders couldn't have expected her to be relevant in 2011, with her most recent material seeming to indicate a decline of interest on both the public's part and her own…