[The series and its rules are explained here, where you will also find links to the songs for the other states.]
27:1. Get Out Of Denver: 'Our 60 Cadillac was roaring through Nebraska whining'. (1, 2, 3.)
27:2. My Elusive Dreams: 'To a small farm in Nebraska'. (1, 2, 3.)
27:3. The Nebraska Song: 'Nebraska's where I'll stay'. (1, 2.)
27:4. Beautiful Nebraska: 'Beautiful Nebraska, peaceful prairieland'. (1, 2.)
27:5. Nebraska: 'From the town of Lincoln, Nebraska, with a sawed-off .410 on my lap'. (1, 2.)
27:6. Right Here In Nebraska: 'Is there anything of interest in the state of Nebraska? (1.)
27:7. Rhode Island Is Famous For You: 'The wheat fields are the sweet fields of Nebraska'. (1, 2, 3, 4.)
27:8. Dressed Up Like Nebraska: 'There you stood dressed up like Nebraska'. (1, 2.)
27:9. United Breaks Guitars: 'I flew United Airlines on my way to Nebraska'. (1, 2.)
27:10. I've Been Everywhere: 'Chaska, Nebraska, Alaska, Opelika'. (1, 2, 3.)