yodel

verb
1
to sing or call in the traditional Swiss way, changing your voice frequently between its normal level and a very high level
یودل کردن, یودل خواندن, آواز یودل خواندن, نغمه‌سرایی با تغییر صدا
noun
1
a song or musical call in which somebody yodels
آواز یودل, ترانه یودل