I'm going on whatever pops into my head...(that CAN be a bit risky, buuut....) _________
From what I understand, while they were filming 'HELP', Paul was playing the 'Scrambled Eggs' snippet that was running in his head on the nearby set piano over and over again, until their director, Richard Lester, finally had heard ENOUGH...
Mr. Lester said later that he told Paul, "If you play that bloody song ANY longer, I'll have the piano taken off stage! Either FINISH it or give it up!"
At least Paul can take comfort in the face that 'Yesterday' has been covered more than any other Beatles song...2,500 times!
It's a pretty cool book. Gives you the breakdown of when the recording sessions for the various songs took place...what happened in the sessions...who played in the songs (and what instruments were played)...little factoids relating to the song ('Did You Know?)...an analysis about the lyrics ('What the Song is About')...which Singers covered the song later...and comments by the authors on why/what they liked about the individual songs...
I got it for $8.00 USD + tax. I enjoyed it...to me, it was worth every penny.