The Rebbe blesses the writer and his wife at the Ohel for improved health and connects this to the theme of true freedom during the Omer, emphasizing bodily health as part of spiritual readiness for Torah. He also clarifies a textual note about the cows carrying the Ark, showing their connection to King David even before his formal reign.
https://www.torahrecordings.com/rebbe/igroskodesh/015/009/5464