This Player Piano/Reed Pump Organ/ keyboard Bench has the inclined seat and is made of pine.   These are hard to find on the used market.    This one is new and is modeled after the famous Estey, model A, reed pump organ bench. Fished with golden oak stain.

It can also be used as a stool to work at a desk with, and with the inclined seat it causes you to straighten your back for good posture.,

Dimensions:

low side 22" high side 24"

seat is 20.5" by 11.5"

Top has 13 degree slant