Five days after John Lennon of the Beatles married the Japanese avant-garde artist Yoko Ono, the couple held the first of two week-long Bed-Ins for Peace as a non-violent way of protesting war and promoting peace. For the first Bed-In, the couple invited members of the press into their Amsterdam hotel room and then sat in bed and talked about peace. Months later, they held their second Bed-In in Montreal. What hit song did they record during the second Bed-In? Discuss