Tyrolean ululation (5)
I believe the answer is:
yodel
(Other definitions for yodel that I've seen before include "mountain air?" , "unusual singing" , "Sing in traditional Swiss manner" , "Alpine song or call" , "Practise Alpine singing" .)
I believe the answer is:
yodel
(Other definitions for yodel that I've seen before include "mountain air?" , "unusual singing" , "Sing in traditional Swiss manner" , "Alpine song or call" , "Practise Alpine singing" .)