Song of the Day: Lovelace (“I’ve Got to Use My Imagination”), words and music by Gerry Goffin and Barry Goldberg, first appeared on the 1973 album, “Imagination,” by Gladys Knight and the Pips. That version opens up this 2013 biopic of Linda Lovelace, of “Deep Throat” fame. This is one of those examples of how a film can successfully adapt period music—with a message—to its sad, central theme [YouTube link].