What was the last song recorded by all 4 Beatles?

Related questions

1. Did George Harrison marry?
2. What is George Harrison's real name?
3. How did Yoko and John Lennon meet?
4. How much is Cynthia Lennon worth?
5. How much is Sean Lennon worth?
6. Is paul McCartney the only surviving Beatle?
7. Who passed on the Beatles?
8. What was the last Beatles single?
9. Who was considered the best looking Beatle?
10. Who Killed John Lennon's mother?

Tags

1. #ringo
2. #george
3. #studio
4. #finally
5. #abbey
6. #january
7. #together
8. #recording
9. #working
10. #session