"Dancing Queen" singers
I believe the answer is:
abba
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dancing queen singers</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for abba that I've seen before include "1970s Swedish pop group" , "Father (NT)" , "group of four stars?" , "Enclosed rhyme" , "Group winning the 1974 Eurovision Song Contest in Brighton" .)