Knighted composer (5)
I believe the answer is:
elgar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">knighted composer</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 elgar that I've seen before include "Glare at composer of 'The Dream of Gerontius'" , "Land of Hope and Glory composer" , "Glare at great English composer" , "Enigma Variations composer" , "The 18 [APOSTLES] creator" .)