"[4] Denny Laine and Jimmy McCulloch also play guitar, and Linda McCartney sings backing vocals.

[4] McCartney biographer Peter Carlin describes the song as a "portrait of heartbreak," claiming it "traced the thin line between love and obsession.

[4] Author John Blaney describes the arrangement as "measured," claiming that contributes the singer distancing himself from the subject, although he believes that McCartney's warm vocal "more than compensates for the song's guarded tone.

"[8] Rolling Stone critic Paul Nelson found "Love in Song" to be one of several "banal ballads" on Venus and Mars.

[11] The Judybats covered it on the 2001 album Listen to What the Man Said: Popular Artists Pay Tribute to the Music of Paul McCartney.