I echo both of the previous comments
I think the band could be brought back into proportion (to the finial) with one, or better, two coves cut into the lighter Ash.
Love the form of the internal hollowing/bowl.
I can't tell if the finial is square form or not, but I wouldn't change it! If square maybe cut the above coves square such that the remaining bands and coves were the same dimensions as the finial form?
Just realised you haven't asked for critique - I hope you don't mind these comments; they are intend to portray that it's good, but I think it could be great - that finial is something else!
Also agree with you that maple would have been good, but you have done a great job with the Ash.