50 Jahre ABBA: Der inoffizielle Bildband zum Jubiläum : Lau, Michaela: Amazon.de: Bücher
Frida - Lyngstad- Forever - When ABBA did a promotional tour in a few European countries, back in March of 1973, with the songs “People Need Love” and “Ring Ring”, Agnetha was
Abba - Ring Ring - Full Performance (Agnetha replaced by Inger Brundin, Austrian TV 1973) - YouTube
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Abba - Ring Ring - Full Performance (Agnetha replaced by Inger Brundin, Austrian TV 1973) - YouTube
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