Song from No, No, Nanette (3,3,3)
I believe the answer is:
tea for two
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">song from no no nanette</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 tea for two that I've seen before include "Air" , "Song from musical No, No, Nanette" , "Musical number" , "Popular 1925 song (for afternoon drinking companions?)" .)