Yoko Ono: 'We are still partners'

This year is the 70th anniversary of John Lennon's birth. It's also thirty years since he was murdered in New York. Yoko Ono is marking both anniversaries by releasing her late husband's music in a remastered format.

She discusses his love of Liverpool - and what he'd be doing if he were alive now.

Watch the full programme on The Andrew Marr Show website