"Dancing Queen” group (4)
I believe the answer is:
abba
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dancing queen group</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 "Father (NT)" , "Swedish artists" , "Eurovision winners" , "Coptic bishop's title; Swedish pop group" , "6 24 113 [SCAN-DIN-AVIAN] band" .)