Title: Daniel Lesur
Content:  Daniel Jean-Yves Lesur (19 November 1908 – 2 July 2002) was a French organist and composer. He was the son of the composer Alice Lesur.
Title: Daniel Lesur
Content:  Born in Paris, he entered the Conservatoire de Paris at age 11, studying solfège with Emile Schwartz, harmony with Jean Gallon, and composition with Georges Caussade. He also took private lessons in piano with Armand Ferté and composition with Charles Tournemire. From 1935 to 1964, he was professor of counterpoint at the Schola Cantorum under director Nestor Lejeune, becoming director himself in 1957. In 1936, he co-founded the group La Jeune France along with composers Olivier Messiaen (with whom he would remain a lifelong friend), André Jolivet and Yves Baudrier, who were attempting to re-establish a more human and less abstract form of composition. La Jeune France developed from the avant-garde chamber music society La spirale, 
Title: Daniel Lesur
Content:  by Jolivet, Messiaen, and Daniel-Lesur the previous year. That same year he, together with Jean Langlais and Jean-Jacques Grunenwald, gave the first performance of Olivier Messiaen's La Nativité du Seigneur. Between 1927 and 1937 he seconded Tournemire at the organ of Ste. Clotilde, Paris, and was organist of the Benedictine Abbey of Paris, 1937–44. Daniel-Lesur also served as director of the Opéra National de Paris from 1971 to 1973. His opera Andrea del Sarto (1968) received the composition prize of the City of Paris in 1969. In 1973, he received the Prix Samuel Rousseau of the Académie des Beaux Arts. In 1982, he was elected member of the Institut de France. He died in Paris.
Title: Daniel Lesur
Content:  (1952) ; Le Bal (1954) ; 3 Études (1962) ; Fantaisie (1962) for 2 pianos ; L'Armoricaine (1964) ; Contre-fugue (1974) for 2 pianos ; Berceuse sur le nom de Schostakovitch (1975) ; Chanson à danser (1980) Scène de la passion (1931) ; La Vie intérieure (1932) ; In paradisium (1933) ; Hymnes (1935) ; Quatre Hymnes (1939) Annonciation (Loÿs Masson), cantata for speaker, tenor, mixed chorus and chamber orchestra (1951) ; Le Cantique des cantiques (biblical) for 12 voices and chorus (1952) ; Cantique des colonnes (Paul Valéry) for female voices and orchestra (1957) ; Encore un instant de bonheur (Henry de Montherland) ; numerous folksong arrangements Les Harmonies intimes (Daniel-Lesur) (1931) ; La Mort 
Title: Daniel Levavasseur
Content:  Daniel Louis Luc Levavasseur (born 1 January 1948) is a French fencing master specialized in épée.
Title: 2002 in France
Content: 2 July – Jean-Yves Daniel-Lesur, organist and composer (born 1908). ; 3 July – Michel Henry, philosopher and novelist (born 1922). ; 31 July – Claude Rifat, biologist, psychonaut, political activist, writer and researcher. ; 2 August – Jean-Pierre Yvaral, artist (born 1934). ; 6 August – Jean Sauvagnargues, politician and Minister (born 1915). ; 8 September – Henri Rol-Tanguy, communist and leader in the French Resistance (born 1908). 
Title: Daniel Lesur
Content:  voiles (Paul Fort) (1931) ; La Mouette / Les Yeux fermés (Heinrich Heine) (1932) ; Quatre Lieder (Cécile Sauvage, H. Heine), several versions (1932–39) ; Trois Poèmes de Cécile Sauvage (1939) ; Deux Chansons de l'étoile de Seville (Claude Roy) ; L'Enfance de l'art (Claude Roy) ; Chansons cambodgiennes (traditional) (1946) ; Berceuses à tenir éveillé (René de Obaldia) (1947) ; Les Amants séparés (Claude Roy) (1950) ; Dialogues dans la nuit (Claude Roy) for mezzo-soprano, bass, and chamber orchestra (1987) ; À la lisière du temps / Le Voyage d'automne / Permis de séjour (Claude Roy) (1990) Stage Orchestral works Chamber music Piano music  Organ works Choral works (with poets) Songs (for voice and piano)
Title: Daniel Rouan
Content:  Daniel Rouan, a former student of the École normale supérieure (1970-1974), agrégé de sciences physiques (1974), doctor of science (1982), is Director of Research Emeritus CNRS at LESIA, the space laboratory of the Observatoire de Paris, where he has conducted most of his career.
Title: Daniel Lévi
Content:  Daniel Lévi (born 26 August 1961) is a French singer-songwriter, composer and pianist.
Title: Daniel Lewis (choreographer)
Content:  Daniel Lewis (born July 12, 1944) is a choreographer and author, and Dean of Dance at the New World School of the Arts. Internationally recognized dancer, teacher, choreographer and author. Danny is often seen sporting suspenders with the classic Julliard hat.

Question: What is Jean-Yves Daniel-Lesur's occupation?
Answer: composer.
organist.
organ player.