'It's an incredible shock,' she says of the destruction in her home country
The 78-year-old artist has had six consecutive Number One dance hits
Single is the latest in a series of Ono remix collections
Yoko Ono has sold the publishing rights to over 150 letters penned by the late Beatle
Plus: Watch video of John Lennon's 1971 song 'Happy Xmas (War Is Over)'
Three days before he died, John Lennon talked with 'Rolling Stone' for nine hours. For the first time, we present this extraordinary interview
Bono, Sean Lennon, Ray Davis, others remember Lennon on the anniversary of his death
'The most important gift we received from him was not words, but deeds'
Lennon's Music: A Range of Genius
Watch the couple at their bed-in from BBC documentary 'From Liverpool to San Francisco'
The Beatle's widow and son invite the popstar to share the stage at his 70th birthday celebration
Watch Exclusive Clips From the John Lennon Documentary 'LENNONYC' Lennon talks about the break-up of the Beatles and his life afterward, in New York
Gaga sings two songs with Yoko Ono, takes aim at 'Don't Ask, Don't Tell' on 'Give Peace a Chance'