Coltrane's instrument (3)
I believe the answer is:
sax
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">coltrane's instrument</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 sax that I've seen before include "Jazz instrument (abbr)" , "Wind instrument (abbr)" , "Music-maker" .)