Lets hear you yodel.........The longest yodel is 7 1/2 hours
Yodel can last about two and a half minutes, tops
But it works well with “Clarinet Polka”.
Here’s a 10-hour LOOP of, ‘Mr. Trololo.’ You’re Welcome!
https://www.youtube.com/watch?v=sCNrK-n68CM
(Edward Khil. Giving credit where it’s due...)