They were different, but they were all still instrumental. When most people think of Star Trek music, they think of horn and violin music. Enterprise had none of that and was heavily lyrical.
Think “I love my blue jeans, I love my truck, l love my beer and America” style.
My wife dun died and my dog dun divorced me.
Still, there should be emphasis on the power in power ballad. I hate that song a lot, but at the same time it’s such a powerful earworm that I love it.
Thing 1 and Thing 2 are characters from a Dr Suess book, The Cat in the Hat, and they get up to mischief together. It’s saying Bashir and O’Brien are like those characters.