This may be a year late, but it's all the same for the all the words you're wanting the translation.
Do the sign for conversation but with palms stretched out and faced towards you.
It looks like a great video but it looks like it's signed in Sign Structured English meaning they're transliterating everything from the song lyrics. It's a good interpretation.
I am a native deaf BSL user, and I'd love to help people practice using BSL.
I can adapt well to other levels and will be accommodating and understanding.
If you'd like to start or something, please PM and we'll set something up.