"What are the differences between this album and the others?"

Translation: Quais são as diferenças entre este álbum e os outros?

[Coronel.Buendia]

"Quais são ..." no verb otherwise?

[Paulenrique]

it should be accepted!

[Elen-ka]

What is wrong with the option "Quais são as diferenças entre este álbum e os outros?"

[Paulenrique]

Nothing wrong! Just report it ;)

[Elen-ka]

Thank you for the confirmation. I have reported it.

[LeilaneVal]

nothing wrong.... this is the answer