A singing map of the US?

Sweet Home Alabama Lynyrd Skynyrd
Road to Alaska Bee Gees
There Is No Arizona Jamie O'Neal
The Hills of Arkansas Black Oak Arkansas
California Dreaming Mamas and Papas
Bound For Colorado Jackson Browne
Connecticut: None
Hello, I'm In Delaware Dallas Green
Mainline Florida Eric Clapton
Georgia On My Mind Ray Charles
Blue Hawaii Bing Crosby
Idaho Nerina Pallot
Illinois, I’m Your Boy Dan Fogelberg
Goin' Back to Indiana The Jackson 5
Hills of Iowa Dar Williams
Kansas City Fats Domino
Kentucky Woman Neil Diamond
Louisiana Bayou Dave Matthews Band
Maine: None
Maryland I’m Coming Home Vonda Shepard
Going Back to Massachusetts Bee Gees
Especially In Michigan Red Hot Chili Peppers
The Biggest Ball Of Twine In Minnesota Weird Al Yankovic
Roll On Mississippi Charlie Pride
The Wide Missouri Bob Dylan
Wild Montana Sky John Denver
Nebraska Steve Earle
Sands of Nevada Mark Knopfler
New Hampshire: None
Sometimes, New Jersey Saves The Day
New Mexico Hank Williams Jr
New York, New York Frank Sinatra
Just A Little Bit South Of North Carolina Dean Martin (both of them are featured here so it counts as two)
The Boys From North Dakota Lyle Lovett
Four Dead In Ohio Crosby Stills Nash & Young
Oklahoma Hills Woody Guthrie
Portland Oregon Loretta Lynn
You've Got A Friend In Pennsylvania A New Found Glory
Rhode Island Is Famous For You Shining Down
South Dakota: None
Memphis Tennessee Chuck Berry
Luckenbach, Texas Willie Nelson
Utah features in “My Elusive Dreams”
Moonlight in Vermont Ella Fitzgerald
Virginia Tori Amos
Christmas in Washington Steve Earle
West Virginia features in “Country Roads”
Wisconsin: None
Song of Wyoming John Denver

The ones I had to google: Delaware, Idaho, Minnesota, New Jersey, Rhode Island and Illinois.
Of course New York, Washington and the two rivers are actually cheating (with "The Wide Missourie" cheating doubly). Even so, it's a lot of states covered.