Song Form Theory Things   William Wieland
Popular music examples abound:

“Home on the Range”
“Rudolph the Red-Nosed Reindeer”
Refrain of “I Got Rhythm”
“The Christmas Song” (Chestnuts Roasting on an Open Fire)
“Old Man River”
“As Time Goes By”
“Misty”
Ralph Vaughan Williams' “The Vagabond” is a popular classical example.