What song does Ozzy refer to in his song "Dreamer"  that was written by John Lennon, that encourages a world at peace?
Imagine (John Lennon song) "Imagine" is a song written and performed by English musician John Lennon. The best-selling single of his solo career, its lyrics encourage the listener to imagine a world at peace without the barriers of borders or the divisions of religion and nationality, and to consider the possibility that the whole of humanity would live unattached to material possessions.
Ozzmosis Ozzmosis is the seventh solo studio album by English heavy metal musician Ozzy Osbourne. Recorded in Paris and New York with producer Michael Beinhorn, it was released on 23 October 1995 by Epic Records. The album reached number 22 on the UK Albums Chart and number four on the US "Billboard" 200. "Perry Mason", "See You on the Other Side" and "I Just Want You" were released as singles.