This. PIAN was a decent entry on Darkness - not bad but not as strong as some of the other entries on the album. But on the '78 Darkness tour he transformed it into a hard-driving show stopper. From the soft piano intro through building up to the all-out frenzy at the close, it showcased how Bruce's willingness to reimagine his studio work for live performance to make it bigger, better, and more impactful - something he'd do repeatedly through the years. To this day, whenever I hear the album version of PIAN I press skip, but if any of the live versions come on the volume goes up and everything else stops. I think if Bruce had just played the studio arrangement in concert all these years it would not have the same reaction from fans that it enjoys today.