- in 1956 - Back in Memphis for Christmas with his Family, "Elvis Presley" called in at Sun Studios where a Carl Perkins' session was underway, with "Jerry Lee Lewis" as pianist and "Johnny Cash" present. Cash eventually went shopping with his wife but the other three settled down to a jam session with a few rock and a host of gospel numbers which Sam Phillips cannily captured by leaving the mikes on and tapes running. The legendary "Million Dollar Quartet" session (most of it a trio) was born, never heard commercially until well after Elvis' death.
The Beatles song "Lucy in the Sky with Diamonds" does not stand for "LSD", the title actually comes from John Lennon's son Julian, who left his mark on more than one Beatles song. His drawing of a nursery school classmate Lucy O'Donnell caught his father's eye and when asked what it was called Julian replied, "Lucy in the sky with diamonds".