Lord, Wire! There must be gazillions. Here are a few more:
Highwayman - Waylon Jennings, Kris Kristopherson, Willie Nelson, Johnny Cash
City of New Orleans - Janis and/or Willie Nelson
Pancho and Lefty - Willie Nelson
Finnegan's Wake - Danny Doyle
4 Strong Winds - Ian and Sylvia
Sue and I - Alabama
Piano Man - Billy Joel
Downeaster 'Alexa' - Billy Joel
Tiny Dancer - Elton John
Bennie and the Jets - Elton JOhn
Wreck of tghe Edmund Fitzgerald - Gordon Lightfoot
Escape (the Pina Colada Song) - Rupert Holmes
Brother Love's Traveling Salvation Show - Neil Diamond
Pencil Thin Mustache - Buffett
Margaritaville - Buffet
WOLD - Harry Chapin
Taxi - Harry Chapin
Little Lion Man - Mumford and Sons
Strangers in the Night - Sinatra
and my own personal favorite
A______e from El Paso - Kinky Friedman