In Jackie's interview with Manifesto Magazine," she recalls early recording sessions where,

"We would all just drop by. We thought nothing of dropping in on a Rolling Stones session or Beach Boys. I remember Brian Wilson skate-boarding through one of my sessions."
     
Jackie and Brian
backstage
at the Roxy
  The lyrics to Jackie's song "Boat To Sail," include --"Brian Wilson songs are never left behind..."
  Brian Wilson provides background vocals on Jackie's recording of "Boat To Sail"
  Jackie's CD "You Know Me," includes Carl Wilson's "Trader"