Facts:   - years active: 1950s -- 2000s    - birth name: john michael erlewine    - origin: lancaster , pennsylvania , u.s.    - genre: folk music blues      - birth date: 18 july 1941    - name: michael erlewine    - background: solo_singer    - image: michaelerlewine.jpg    - associated acts: the prime movers , iggy pop , gene tyranny    - occupation: musician , entrepreneur , astrologer , nature photographer , tv host   Based on these bullet points, write a short biography describing the life of michael erlewine .
michael erlewine -lrb- born july 18 , 1941 , lancaster , pennsylvania -rrb- is an american musician , astrologer , photographer , tv host , and internet entrepreneur who founded all music guide -lrb- now known as allmusic -rrb- in 1991 .