Harmonious sounds (5)
I believe the answer is:
music
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">harmonious sounds</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for music that I've seen before include "melodies" , "Composer's product" , "Harmonious sound (generally!)" , "Melodious sounds" , "Strains" .)