"The Road" by Emmylou Harris, wherein she references former friend and bandmate, the late Gram Parsons.
"17 Again" by Eurythmics, wherein they reference themselves and their classic "Sweet Dreams (Are Made of This)".
"Eulogy" by Frank Turner, wherein he mentions Freddie Mercury.
"Car Wheels on a Gravel Road" by Lucinda Williams, wherein she mentions Loretta Lynn.
"The Ghost of Stephen Foster" by Squirrel Nut Zippers, wherein the mention songwriter Stephen Foster.
"You Could Make a Killing" by Aimee Mann, wherein she (supposedly) references on of the Oasis brothers.
"These Photographs" by Joshua Radin, wherein he mentions Nina Simone.
"Never Found My Emmylou" by The Doc Marshalls, wherein they mention Emmylou Harris.
"Burgundy Shoes" by Patty Griffin, wherein she mentions The Beatles' song "Michelle."
"Life in a Northern Town" by The Dream Academy, wherein is referenced Nick Drake.
"Nick Drake Tape" by Clem Snide, wherein he mentions...um, Nick Drake.
"Matilda" by alt-j, wherein is mentioned folk singer Johnny Flynn.
"On with the Song" by Mary Chapin Carpenter, wherein she references The Dixie Chicks.
"I Dream a Highway" by Gillian Welch, a gorgeous 14 minute song wherein she mentions both Emmylou Harris and Gram Parsons.
"Under You" by Better Than Ezra, wherein they mention Leonard Cohen.