Chorus section (6)
(Other definitions for tenors that I've seen before include "Male singers from Reston" , "Male singing voices" , "Male singers with high register" , "Opera singers" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chorus section</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 altos that I've seen before include "Lowest female singing voices" , "Choir members" , "Females who sing in the lowest range" , "Highest male, lowest female, voices" , "High male or low female voices" .)