She first met Lennon in 1966 at her own art exhibition in London , and they became a couple in 1968 and wed the following year . With their performance '' Bed-Ins for Peace '' in Amsterdam and Montreal in 1969 , Ono and Lennon famously used their honeymoon at the Hilton Amsterdam as a stage for public protests against the Vietnam War . The feminist themes of her music have influenced musicians as diverse as the B-52s and Meredith Monk . She achieved commercial and critical acclaim in 1980 with the chart-topping album '' Double Fantasy '' , a collaboration with Lennon that was released three weeks before his murder
his murder
Murder of John Lennon
Yoko Ono