Actor and musician Darin P. Murphy (Skyrocket!, Bottlerocket, Cotton Mather, My Ranger) is back for the second part of our look at John Lennon's rhythm guitar playing, particularly his use of the acoustic Jumbo Gibson J-160e.     John would use a number of different acoustics throughout his career (notably the Martin D-28 and the Ovation) but Lennon had a preference for the Gibson, and he frequently returned to it.