Hugh McCracken, a session guitarist...

...on such songs as "Hey Nineteen," died at age 70. From his obit in the Times:

Mr. McCracken delighted in telling stories about his famous friends. When he met John Lennon, he recalled, Mr. Lennon said he had heard that Mr. McCracken had worked with Mr. McCartney. “Yes,” Mr. McCracken answered.

“Well,” Mr. Lennon said, “you know that was just an audition to get to me.” 

That's a good story. But what I really want to know is, how many times did this poor guy get asked by some drunk, "Hey McCracken, ya got a brudder named Phil? Ha ha!"