Built in 1978, Denver’s Boettcher Concert Hall was hailed at its opening as a triumph of architecture and acoustics. “Now, not quite 30 years later, the interior of the 2,700-seat, city-owned facility will become the target of a wrecking ball if voters approve November ballot questions… So what changed? How did a place that had captured the imagination of a city and a nation become a candidate for the scrap heap?”