Rocksteady precursor (3)
I believe the answer is:
ska
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rocksteady precursor</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ska that I've seen before include "Noted genre" , "Jamaican music, forerunner of reggae" , "Jamaican music style" , "Music genre" , "popular music" .)