The wife of the guy who was selling these had promised them to her sister, so he should not have been trying to sell them. After I sent him a check to hold them for us, he found out about this promise to give them to the sister (We were on vacation and away from home when negotiating the purchase, so we sent a check, but he waited a week to tell us about it.)
Bill decided that he did not want the dogs to be in his music room all day long. The dog hair is just a mess! The big guy will eventually defeat any gate I try, so I suggested French Doors. Bill chose these from the many available on Craigslist. He liked the size and the price, $175.