PHOTO: WOJTEK OLSZANKA/EAST NEWS WARSZAWA 17/09/2008 YOKO ONO NA KONFERENCJI PRASOWEJ POPRZEDZAJACEJ OTWARCIE WYSTAWY JEJ PRAC W WARSZAWSKIM CENTRUM SZTUK WSPOLCZESNEJ. N/Z: YOKO ONO Warsaw, Poland 17/09/2008 Yoko Ono at a presss conference preceding opening of her exhibition at Centre of Modern Art in Warsaw. In the picture: Yoko Ono

PHOTO: WOJTEK OLSZANKA/EAST NEWS WARSZAWA 18/09/2008 YOKO ONO NA OTWARCIU WYSTAWY SWOICH PRAC FLYW WARSZAWSKIM CENTRUM SZTUK WSPOLCZESNEJ. N/Z: YOKO ONO Warsaw, Poland 18/09/2008 Yoko Ono at the opening of her exhibition Fly at the Centre of Modern Art in Warsaw. In the picture: Yoko Ono

Beatles member John Lennon (L) and his wife Yoko Ono receive journalists 25 March 1969 in the bedroom of the Hilton hotel in Amsterdam, during their honeymoon in Europe. AFP / ANP PHOTO

Beatles member John Lennon (L) and his wife Yoko Ono receive journalists 25 March 1969 in the bedroom of the Hilton hotel suite in Amsterdam, during their honeymoon in Europe.

Yoko Ono at the Cirque Du Soleil Premiere for the Beatles musical 'Love' 30.06.2006 Fot. West/face to face/Reporter

Japanese-American artist Yoko Ono poses for photographers in front of her installation "Heal" part of her exhibition "Das Gift" (The Poison) at the Haunch of Venison gallery in Berlin September 10, 2010. The exhibition, which invites participants to "heal the world of violence", takes place from September 10 to October 13, 2010. AFP PHOTO / JOHN MACDOUGALL

UK SINGER JOHN LENNON AND YOKO ONO

Former Beatle John Lennon and his wife, Yoko Ono, speak at a news conference in New York City, April 2, 1973. Lennon said he has appealed a federal deportation decision orderng him to leave the country in less than two months. His lawyer said the legal action could keep Lennon in the country for years. (AP Photo)

Beatle John Lennon waves his marriage certificate as his bride, Japanese artist Yoko Ono, stands at his side after their wedding at the Rock of Gibraltar on March 20, 1969. They are about to board a chartered jet to Paris where they will honeymoon. (AP Photo)

John Lennon, a former member of the Beatles singing group, and his wife, Yoko Ono, walk through an area of Washington National Airport on Wednesday, Nov. 17, 1971 after they arrived from New York. Lennon refused to disclose his Washington plans. (AP Photo)

Yoko Ono is shown, Aug. 4, 1981, New York. (AP Photo/Allan Tannenbaum)

Former Beatle John Lennon, right, and his wife Yoko Ono have purchased 103 Holstein dairy cows but the man making the sale refuses to say where they are to be delivered, complete privacy being part of the sales contract, Jan. 17, 1979. (AP Photo)

Yoko Ono, widow of John Lennon, buries her face in her hands during ceremonies in New Yorks Central Park, dedicating a portion of the park as Strawberry Fields after the title of one of the ex-Beatles songs, Wednesday, March 21, 1984, New York. (AP Photo/Rene Perez)

Yoko Ono, wife of late Beatle John Lennon, poses in front of a star honoring Lennon after it is unveiled on the Hollywood Walk of Fame in Los Angeles, Ca., on Sept. 30, 1988. (AP Photo/Alan Greth)

Yoko Ono and her son Sean Lennon (10), widow of John Lennon, attended the funeral services for slain Swedish leader John Palme at the City Hall in Stockholm on Saturday, March 15, 1986. Yoko Ono is on a concert tour in Europe. The picture shows them arriving with other guests of State. (AP Photo)

Beatle John Lennon poses with his son Julian, sitting on his lap, and his companion Yoko Ono at an unknown location in 1968. (AP Photo)

Yoko Ono accepted a cultural award for her late husband, John Lennon, from Mayor Ed Koch in New York on Friday, May 22, 1981 and said the city

John Lennon with his wife Yoko Ono attend a reception January 18, 1977 in New York City. The Lennons attended the Broadway premiere of modern dance choreographer Merce Cunningham. (AP Photo/Richard Drew)

Yoko Ono, widow of John Lennon, reacts during ceremonies in New Yorks Central Park, dedicating a portion of the park as Strawberry Fields after the title of one of the ex-Beatles songs, Wednesday, March 21, 1984, New York. (AP Photo/Rene Perez)

Former Beatle John Lennon, left, and his wife Yoko Ono, leave the Immigration and Naturalization Service, at 20 West Broadway, March 16, 1972, New York. His case was postponed and comes up in April (AP Photo/Anthony Camerano)