Lyricist Kahn (3)
I believe the answer is:
gus
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lyricist kahn</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 gus that I've seen before include "T. S. Eliot's theatre cat" , "Augustus (dim.)" .)