Assembly, EdinburghErin Armstrong performs well as the 70s Scottish singer Lena Zavaroni but the show's structure distracts from her anguish She had everything: fame, fortune and barrels of talent. She was even set to be "the greatest singing talent since Cher", says her manager in this new drama. But like so many other child stars, 70s singing sensation Lena Zavaroni's life led to tragedy. In Tim Whitnall's play wit…
