Rock-Olga
... that singer Rock-Olga recorded an album in 1972 using ABBA members Agnetha Fältskog and Anni-Frid Lyngstad as backing vocalists?
... that singer <b id="mwQA"><a href="./Rock-Olga" id="mwQQ" rel="mw:WikiLink" title="Rock-Olga">Rock-Olga</a></b> <i id="mwQg">(pictured)</i> recorded an album in 1972 using <a href="./ABBA" id="mwQw" rel="mw:WikiLink" title="ABBA">ABBA</a> members <a href="./Agnetha_Fältskog" id="mwRA" rel="mw:WikiLink" title="Agnetha Fältskog">Agnetha Fältskog</a> and <a href="./Anni-Frid_Lyngstad" id="mwRQ" rel="mw:WikiLink" title="Anni-Frid Lyngstad">Anni-Frid Lyngstad</a> as backing vocalists?