Classical Opera continue their series of Mozart Operas on Signum with Mozarts Mitridate, re di Ponto, K. 87 (74a). Mozarts first great operatic success premiered at the Teatro Regio Ducale in Milan on 26 Dec 1770, marking the culmination of Mozarts first trip to Italy. The work received an initial twenty-two performance run sure proof of success and news of this astonishing youthful work spread quickly. As well as the complete opera, this 4CD set includes a bonus disc featuring original versions of a number of arias from the opera that Mozart subsequently changed in the final version.

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, "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…

The Akarma label continues to help psychedelic fans fill in the notable gaps in their collections with a stream of reissues of rare records, and this long-sought-after album from the British band Byzantium is no exception. Byzantium released a trio of albums across 1972-1973, and the double Live and Studio was the group's last. Fans considered it their best set, but as it was self-released, few were actually in a position to know. Now all that has changed…

The Stones, or more accurately the relationship between Mick and Keith, imploded shortly after Dirty Work, resulting in Mick delivering a nearly unbearably mannered, ambitious solo effort that stiffed and Keith knocking out the greatest Stones album since Tattoo You, something that satisfied the cult but wasn't a hit. Clearly, they were worth more together than they were apart, so it was time for the reunion, and that's what Steel Wheels is – a self-styled reunion album…