PRAGUE, CZECH REPUBLIC - DECEMBER 08:  Musicians play guitars in front of the Lennon Wall, the memorial dedicated to the late John Lennon on the 35th anniversary of his death on December 8, 2015 in Prague, Czech Republic. Former Beatle John Lennon was murdered outside his apartment building in New York on December 8, 1980.  (Photo by Matej Divizna/Getty Images)