[The series and its rules are explained here, where you will also find links to the songs for the other states.]
22:1. Saginaw, Michigan: 'Her dad met me in Saginaw, Michigan'. (1, 2, 3, 4.)
22:2. Dusty Old Fairgrounds: 'From the Michigan mud'. (1, 2.)
22:3. Michigan: 'Oh Michigan, exemplar of unchecked replication'. (1.)
22:4. Say Yes! To Michigan: 'Michigan! Ponshewaing! Cadillac!' (1, 2.)
22:5. Detroit, Lift Up Your Weary Head: 'Michigan, Michigan'. (1, 2, 3.)
22:6. I Want To Go Back To Michigan: 'I was born in Michigan and I wish and wish again'. (1.)
22:7. America: 'Michigan seems like a dream to me now'. (1, 2, 3.)
22:8. Gun Street Girl: 'Brought a brand new Michigan twenty-gauge'. (1, 2, 3.)
22:9. The Wreck Of The Edmund Fitzgerald: 'Old Michigan steams like a young man's dreams'. (1, 2, 3, 4, 5.)
22:10. Especially In Michigan: 'Wrap me in your cinnamon / Especially in Michigan'. (1, 2.)
22:11. Speedway At Nazareth: 'And in June up in Michigan we were robbed at Belle Isle'. (1, 2, 3.)
22:12. 'Highway Patrolman': 'There was trouble in a roadhouse out on the Michigan line'. (1, 2, 3, 4.)