The first one uses the tune of Alfven's "Swedish Rhapsody"

https://www.youtube.com/watch?v=Be3BZeoqs3Y

so it isn't a very likely piece of klezmer repertoire. (Copying the Yiddish title in the original script into a Google search box gives some results that might help). The second sounds like nothing I can recognize from any culture, it's too broken up with giggles to make musical sense.

Try the Yiddish Song of the Week site:

https://yiddishsong.wordpress.com/

the guy who runs that is an encyclopaedia of all things Yiddish.