Alpine trill (5)
I believe the answer is:
yodel
(Other definitions for yodel that I've seen before include "Loftily call" , "Sing (Alpine folk music)" , "Sing in high pitch like Swiss mountain dwellers" , "Alpine warble" , "unusual singing" .)
I believe the answer is:
yodel
(Other definitions for yodel that I've seen before include "Loftily call" , "Sing (Alpine folk music)" , "Sing in high pitch like Swiss mountain dwellers" , "Alpine warble" , "unusual singing" .)