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Jul 08, 2026

The B-Side Capitol Barely Promoted—Until Listeners Chose the Hit Themselves

Los Angeles, March 11, 1950. Nat King Cole entered Capitol’s recording studio to sing a ballad that his own record company did not seem to regard as an obvious hit.

Songwriters Jay Livingston and Ray Evans had created Mona Lisa for the Paramount film Captain Carey, U.S.A. The song imagined the mystery behind Leonardo da Vinci’s famous painted smile, asking whether beauty might be hiding loneliness or heartbreak.

Before Cole recorded it, Livingston and Evans had gone to his home to play the composition for him. According to Evans’ later recollection, Cole was distracted by his young daughter Natalie and was not convinced that a song inspired by a Renaissance painting sounded particularly commercial.

Still, he agreed to record it.

YOUTUBE 1 — NAT KING COLE OFFICIAL PERFORMANCE

The session paired Cole’s intimate voice with a lush string arrangement created by the young Nelson Riddle, with orchestral backing credited to Les Baxter. Instead of overselling the emotion, Cole delivered the words quietly, giving the mysterious woman at the center of the lyric an almost private sadness.

But Capitol Records remained unconvinced.

When the single appeared in 1950, Mona Lisa was placed on the B-side. The company promoted the other side instead. Songwriter Jay Livingston later remembered that Capitol’s original advertisements did not even mention the recording that would eventually become the hit.

Then something unexpected happened.

YOUTUBE 2 — REMASTERED RECORDING

Livingston, Evans and Cole traveled through a series of radio appearances promoting the record. DJs heard the overlooked side. Listeners heard it too.

Gradually, the attention shifted.

The song Capitol had treated as secondary began generating the response the promoted side never did. Radio helped reverse the company’s original expectations, and Mona Lisa climbed to No. 1 in 1950.

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