Eastern air (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eastern air</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 raga that I've seen before include "Hindu pattern" , "Indian musical composition" , "Piece of Indian music" , "Hindu melodic formula" , "Indian classical music form" .)