When tackling the Goldberg Variations, it’s hard to take a path that hasn’t been trodden 100 times before. Víkingur Ólafsson’s vision of the work last Wednesday evening at Salle Bourgie, however, had a singular freshness that made the audience momentarily forget all the times they’d heard it before. The Icelandic pianist’s interpretation is a blend of elements and practices that at first seem contradictory. He demonstrates an immense respect for this immortal opus and, at the same time, a malicious interest in challenging the status quo. An old-fashioned approach to the keyboard and, at the same time, a consummate…