Does anyone remember the Brady Bunch's unaired pilot episode?

Here's the unaired pilot version of the opening music:
https://www.televisiontunes.com/Brady_Bunch_-_Pilot_-_Opening_-_Alternate.html

Here's some images from the unaired pilot episode:
https://lostmediaarchive.fandom.com/wiki/The_Brady_Bunch_Pilot_(Unaired_version)?so=search#Images_from_Unaired_pilot_episode

Here's the unaired pilot version of the closing music:
https://www.televisiontunes.com/Brady_Bunch_-_Pilot_-_Ending_-_Alternate.html