In this documentary the BBC have exclusive access to Agnetha Fältskog, 'The Girl with the Golden Hair' as the song goes, celebrating her extraordinary singing career which began in the mid-60s when she was just 15. Within just two years, she was a singing sensation at the top of the charts in Sweden. Along came husband Björn Ulvaeus and the phenomenal band Abba that engulfed the world in the 70s,... see more