Precious few music critics would’ve said that Taylor Swift’s “The Life of a Showgirl” needed more songs.

When it was unveiled last October, Swift’s 12th studio album — inspired by the joy, drama, and “effervescence” of the Eras Tour, Swift said at the time — received some of the most disenchanted reviews of her career.

Although “Showgirl” became a titanic commercial success, and some reviewers praised the album as glitzy and triumphant, many said it fell short of her best work as a songwriter. Even among Swifties, the pop star’s ever-devoted fan base, “Showgirl” is commonly considered a bottom-tier album in her two-decade oeuvre.

And yet, Swift…