The bass voice is the lowest register in vocal music.
Everything you need to make a good meaningful sentence (and grammatically correct, of course), is to follow common rules. Do not forget to provide your sentence with complexity, but you don't have to make them too complicated, I mean you need to use key words, they will make your thought completed. And the second point is that you need to properly organize the sentence using correct word order. ion:
Yes. When there is one B flat for one note in the whole measure, it means it's the same note until you get a different note in another measure