Way back in May last year, Brian May shared behind-the-scenes footage and images of a then-unannounced guitar riffs documentary, which saw him share a sofa – and swap electric guitars – with fellow six-string royal, Tony Iommi.
That documentary turned out to be Greatest Guitar Riffs – a three-part series by UK’s Sky Arts channel that aired back in November, and which sought to explore the greatest feats of riffery with the help of a few famous faces.
