Bob Dylan met Columbia Records’ John Hammond on September 14, 1961 at the apartment of folksinger Richard Farina and his then-wife Carolyn Hester.  Dylan had been invited to Carolyn’s rehearsal session as a harmonica player.  Hammond later told the story of being so impressed with the young man from Hibbing, Minnesota that he decided to sign him on the spot.  A subsequent audition took place, and when Dylan – then dazzling audiences at Gerde’s Folk City on a bill shared with The Greenbriar Boys – showed up for Hester’s Columbia session on…