ABBA fans are in for a treat as the Swedish band are making a comeback - but not in the way you might expect.

The band members as they looked 40 years ago will be digitally regenerated for a special global TV performance, which will then be followed by a tour.

It's thought that 'virtual touring' could be a way for ageing artists to benefit from live performance without actually having to physically be there.

Holograms of artists who are no longer with us, including Elvis and Roy Orbison, have also proved popular in recent times.

But does it detract from the live experience?

John Caddell and Nadine O'Regan discussed this and some of the other big music stories, including the untimely death of Avicii and the return of the Trip to Tipp.

To catch the full chat press the play button on the image on the top of the screen