April 16th 1969, Elektra Records dropped Detroit's MC5 from their label after the band took out an advertisement in a local paper that included the company logo and said; "Fuck Hudsons." The band were protesting at the Michigan department store's refusal to stock their albums.
April 17th 1970, While performing at the White House at the invitation of President Richard Nixon, Johnny Cash was asked to perform "Okie From Muskogee". Cash declined because it was not his song, but had been a hit for Merle Haggard. Instead, Cash sang his No.1 hit, 'A Boy Named Sue'.