Excerpted from the Manhattan Spectrum:

Our source, who wished to remain anonymous, commented on the exchange he heard at the Manhattan restaurant.

“A young woman approached him and asked about his appearance on Letterman.   Phoenix looked at her quizzically and said that he wished Letterman would have him on the show and guffawed about how it would really jumpstart his rap career.”

“The woman exclaimed, ‘But you were on Letterman, just a couple of months back…”

“He replied, ‘I was on Letterman? When?’ “