Los Angeles, California (CNN) -- There were several speeches at the first Earth Day -- back in 1970, before the disco era -- on the National Mall.

CNN: 'The Science Guy' says: 'Save the Earth'

Today, air travel for many Americans is as routine as bus travel was during the disco era, thanks to a 50% decline in the real price of airfares since 1980.

WSJ: Donald Boudreaux and Mark Perry: The Myth of a Stagnant Middle Class

But, unlike the Rolling Stones, say, who have not written a great song since the disco era and come together only to pad their fortunes as their own cover band, Springsteen refuses to be a mercenary curator of his past.

NEWYORKER: We Are Alive

The signage, the fountains and the guestrooms all seem locked in some Disco-era Miami kitsch.

FORBES: How Ivanka Trump Got The Doral Resort (And The Blue Monster) For A Bargain Basement Price And Had A Baby At The Same Time

Largely absent this season were the bohemian and disco-era 1960s and '70s that seemed to have a permanent place on the runways, said Jennifer Wheeler, vice president of designer apparel for Nordstrom.

WSJ: NY Fashion Week: tough, tailored, lots of black