In the years since Yoko Ono got together with John Lennon, she has generated more controversy and debate than just about anyone else in music.  Her UNFINISHED MUSIC experiments with John Lennon (TWO VIRGINS and LIFE  WITH THE LIONS)were somewhat self-indulgent in nature, but with the advent  of her solo career, Yoko began to push the bounds of popular music.  And  the boundaries moved to her irresistable force.