Mal Evans is heard counting the bars from 1 to 24; only about the first dozen are audible, starting at about three to 12
2:18
An alarm clock sounds to mark the end of the first 24 bars.
2:17
Right ear - intake of breath
2:18-2:20
Someone says "One" to mark the downbeat. Quieter, but audible on the CD is the trailing "two three four" (right)
2:42-2:48
Just before and after the words "had a smoke", Lennon starts talking and carrying on, most audibly a loud "hoooo" under the word "smoke" (Right)
2:58
(Left channel) sounds like a cough
4:50-4:52
A chair squeaking (three creaks total). Also reported as a "nose sniffle", paper rustling, someone saying "Shh!", sustain pedal being released on the piano ...