So we've been looking back at the news, movies and albums that shaped the year 1971. Here's NPR's Avery Keatley on the album "Electric Warrior" by T. Rex.

25 essential albums produced by Tony Visconti No, they're not all David Bowie albums—we tossed in a few T. Rex classics, too ...

While the album charted at No. 1 in the UK, it peaked at 32 in the U.S. T. Rex's biggest single "Bang A Gong" reached No. 10 on the US Billboard Hot 100, but failed to climb any higher.