6th December 1968:  American recording artists, Sweet Inspirations in London to promote their single entitled, 'What The World Needs Now Is Love' (left to right); Cissy Drinkard Houston, Myrna Smith, Sylvia Shemwell and Estelle Brown.  (Photo by Ian Showell/Keystone/Getty Images)
6th December 1968: American recording artists, Sweet Inspirations in London to promote their single entitled, 'What The World Needs Now Is Love' (left to right); Cissy Drinkard Houston, Myrna Smith, Sylvia Shemwell and Estelle Brown. (Photo by Ian Showell/Keystone/Getty Images)