This Heart of Mine is a 1946 song. This music standard was written by composer

Composer

A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

 Harry Warren

Harry Warren

Harry Warren was an American composer and lyricist. Warren was the first major American songwriter to write primarily for film. He was nominated for the Academy Award for Best Song eleven times and won three Oscars for composing "Lullaby of Broadway", "You'll Never Know" and "On the Atchison,...

 and lyricist

Lyricist

A lyricist is a songwriter who specializes in lyrics. A singer who writes the lyrics to songs is a singer-lyricist. This differentiates from a singer-composer, who composes the song's melody.-Collaboration:...

 Arthur Freed

Arthur Freed

Arthur Freed was born Arthur Grossman in Charleston, South Carolina. He was a Jewish American lyricist and a Hollywood film producer.- Biography :Freed began his career as a song-plugger and pianist in Chicago...

 to be featured in the musical film score, Ziegfeld Follies

Ziegfeld Follies (film)

Ziegfeld Follies is a 1945 Hollywood musical comedy film directed by Lemuel Ayers, Roy Del Ruth, Robert Lewis, Vincente Minnelli, Merrill Pye, George Sidney and Charles Waters...

. This song is introduced by Fred Astaire

Fred Astaire

Fred Astaire was an American film and Broadway stage dancer, choreographer, singer and actor. His stage and subsequent film career spanned a total of 76 years, during which he made 31 musical films. He was named the fifth Greatest Male Star of All Time by the American Film Institute...

 who danced with Lucille Bremer

Lucille Bremer

Lucille Bremer was an American film actress and dancer.Bremer was born in Amsterdam, New York and began her career as a Rockette at Radio City Music Hall in New York City, aged 16. Bremer, along with fellow stars Vera-Ellen and June Allyson, appeared as a 'Pony Girl' in the Broadway musical Panama...

 in a lavish and romantic dance. Judy Garland

Judy Garland

Judy Garland was an American actress and singer. Through a career that spanned 45 of her 47 years and for her renowned contralto voice, she attained international stardom as an actress in musical and dramatic roles, as a recording artist and on the concert stage...

 and Maxine Sullivan

Maxine Sullivan

Maxine Sullivan , born Marietta Williams, was an American blues and jazz singer.She was born in Homestead, Pennsylvania, and married jazz musician John Kirby in 1938 , and stride pianist Cliff Jackson in 1956...

 have also recorded this song.

The dance sequence

Astaire plays a con artist hoping to steal some jewelry. He dances with a larger lady but soon he eyes the beautiful Lucille Bremer

Lucille Bremer

Lucille Bremer was an American film actress and dancer.Bremer was born in Amsterdam, New York and began her career as a Rockette at Radio City Music Hall in New York City, aged 16. Bremer, along with fellow stars Vera-Ellen and June Allyson, appeared as a 'Pony Girl' in the Broadway musical Panama...

 and cuts in

Cutting in

Cutting in is a process, in dancing, by which a person interrupts two dance partners and claims the partner of one. As traditionally portrayed in Hollywood films, men are more likely to cut in than women....

 to dance with her. They proceed to dance out in the terrace where they dance around steps and moving walkways. It ends with the end of the ball and Astaire stealing Lucille's bracelet while kissing her. She then proceeds to give him her necklace. They separate and Astaire ponders if he'd allowed his chance for real love get away. He looks back and she runs into his arms.

This was the second of four features for Fred Astaire in the Ziegfeld Follies (film)

Ziegfeld Follies (film)

Ziegfeld Follies is a 1945 Hollywood musical comedy film directed by Lemuel Ayers, Roy Del Ruth, Robert Lewis, Vincente Minnelli, Merrill Pye, George Sidney and Charles Waters...

movie