Henri Rabaud was a French conductor

Conducting

Conducting is the art of directing a musical performance by way of visible gestures. The primary duties of the conductor are to unify performers, set the tempo, execute clear preparations and beats, and to listen critically and shape the sound of the ensemble...

 and 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...

, who held important posts in the French musical establishment and upheld mainly conservative trends in French music in the first half of the twentieth century.
Rabaud came from a musical background. He was the son of a cellist

Cello

The cello is a bowed string instrument with four strings tuned in perfect fifths. It is a member of the violin family of musical instruments, which also includes the violin, viola, and double bass. Old forms of the instrument in the Baroque era are baryton and viol .A person who plays a cello is...

 Hippolyte Rabaud (1839–1900), professor of cello at the Paris Conservatoire, while his mother was a singer who almost created the role of Marguérite

Faust (opera)

Faust is a drame lyrique in five acts by Charles Gounod to a French libretto by Jules Barbier and Michel Carré from Carré's play Faust et Marguerite, in turn loosely based on Johann Wolfgang von Goethe's Faust, Part 1...

 at the request of Gounod.