What Facebook page are you pulling these from? This candid was posted here back in 2005:Homerecording with Lisa and Priscillahttp://www.elvis-collectors.com/forum/viewtopic.php?f=1&t=24905
Also, is Facebook where you get the photo info? If so, I'd stop, as they are incorrect again.
It's likely circa May-June 1969
, and taken at his Palm Springs home
. Lisa looks to be about 15 months old. Here is another one:
They do appear to be running some tape. Sadly, no recordings of such home jam sessions have surfaced, but photos like these are evidence of how musical Elvis was when he was happy.