Difference between Youth Friendship Waltz and Lightning Polka

The difference between Youth Friendship Waltz and Polka is the different beat. According to relevant public information, Youth Friendship Waltz adopts 3/4 beat, and the rhythm is mainly one beat. But each bar often changes from the lower first note to the second note in a big jump or a small jump, and the second and third notes appear repeatedly in the same tone. Polka Thunder adopts a fast, cheerful and lively orchestra with two beats.