Someone sings isn't it romantic offkey

For a long time, Natalie, an Australian architect living in New York City, had always believed that what she had seen in rom-coms is all fantasy. But after thwarting a mugger at a subway station only to be knocked out while fleeing, Natalie wakes up and discovers that her life has suddenly become her worst nightmare—a romantic comedy—and she is the leading lady.

Three sisters find romance in post-Civil War Indiana.

How Romantic Is O.K.

One boy sings a romantic song to another confessing his love.