waltz

Halfway through, he ran to the piano and tapped out a “somber and slow” waltz idea, and on top of it a dark, coiling melody — with “something off but also maybe something romantic in it.”

He worked closely with Frank Sinatra early in his career and reworked the crooner's classic Fly Me To The Moon, taking it from a waltz to a swing.

The unknown waltz was unearthed in the vault of the Morgan Library and Museum in New York.

The duo topped the judges' leaderboard after being awarded 31 points for their waltz to When I Need You by singer Leo Sayer.

He was usually the first person on the dance floor, as capable of dancing a stately waltz as he was a rousing zapateada.