Today John Lennon and Paul McCartney gave engineer Glyn Johns the eight-track tapes from the January 1969 Get Back/Let It Be recording sessions at Apple Studios.
The tapes were the result of 11 days of recording, including the rooftop concert, but did not include the Twickenham Film Studios reels.
Johns booked several days at his favourite studio, Olympic Sound Studios in Barnes, London, where he sifted through the recordings looking for suitable recordings. On this first day he made stereo mixes of 13 songs: Get Back, Teddy Boy, Two Of Us, Dig A Pony, I've Got A Feeling, The Long And Winding Road, Let It Be, Rocker, Save The Last Dance For Me, Don't Let Me Down, For You Blue and The Walk.
Source: The Complete Beatles Chronicle - Mark Lewisohn