Thursday, September 22nd, 1966

The Who are in CBS studios recording.

Gettyimages has more here

The photos are listed as being on July 22 - however if you look closely at the date on the "proof sheet" it appears to be 22-9-66 which seems more likely than in July when they were touring from Bristol to Morecambe.

One interesting note is that the same proof sheet indicates they were recording "Happy Jack"