Queen's Greatest Hits has sold over 25 million copies globally and is the biggest-selling UK album of all time. Add to that Greatest Hits Volumes 2 and 3, plus the Absolute Greatest record that cherrypicked from them all, and you've got to ask if the world really needs another Queen compilation.

At least Queen Forever leans thematically towards the band's love songs and ballads, just as 1997's Queen Rocks showcased their heavier side, and so casts a spotlight on some of the more neglected album tracks from the back catalogue. Also, among the 20 tracks on the standard version and 36 on the deluxe, it contains three "unheard" songs featuring the late Freddie Mercury.

There Must Be More To Life Than This is the one that kindles most curiosity. Written but not finished as a band effort in the early 1980s, it surfaced on Mercury's Mr Bad Guy solo album. Here, however, it resurrects not only the Queen backing track but also a verse and chorus sung by Michael Jackson, sadly sounding reedy and insubstantial alongside Freddie's theatrics. Let Me In Your Heart Again boasts a classic Mercury vocal but excruciating Brian May guitar wailing, while a stripped-back Moroder-less version of Love Kills is the best of the new bunch.