Henri Gagnon (6 March 1887 – 17 May 1961) was a Canadian composer, organist, and music educator. He spent 51 years playing the organ at the Notre-Dame Basilica-Cathedral of Quebec City where, according to music historian François Brassard, he earned "a prestige similar to that of the famous organists of Europe". He was a much admired teacher and taught at several institutions, notably succeeding Wilfrid Pelletier as the second director of the Conservatoire de musique du Québec à Québec. As a composer, he produced mainly works for solo organ and piano; although he did write a few choral works and vocal pieces as well. One of his more popular works was Rondel de Thibaut de Champagne which Edward Johnson and Rodolphe Plamondon often performed in their recitals. Two of his works, Mazurka (1907) and Deux Antiennes, were recorded by the CBC Montreal Orchestra. Early life and education Born in Quebec City, Gagnon was from a prominent family of musicians in Canada. Both his father, Gustave Gagnon, and his uncle, Ernest Gagnon, were prominent organists and composers in Quebec City. He began studying solfège and piano with his father at the age of eight and he remained his principal teacher until he was thirteen. From 1900-1903 he was a pupil of William Reed (organ) and Joseph Vézina (solfège and harmony). He began performing publicly as a child and had his first major success at the Pan-American Exposition in 1901. The Buffalo Courier-Express called him "a true prodigy" in their review of his concert. In 1903 Gagnon moved to Montreal to continue his musical education. He remained there through 1907, studying with such teachers as Guillaume Couture (harmony and counterpoint), Father Charles-Hugues Lefebvre (church music), Arthur Letondal (piano), Romain-Octave Pelletier I (organ), and Romain Pelletier (organ). From 1903-1906 he was chapel organist at Gesù College and then served in the same capacity at Loyola College in 1906-1907. In 1906 he earned a certificate from the Dominion College of Music. Studies in France In 1907 Gagnon left Canada for Paris where he spent the next three and half years. In France he studied with Amédée Gastoué (plainchant), Eugène Gigout (organ, plainchant, improvisation, and harmony), Isidor Philipp (piano), and Charles-Marie Widor (organ). In 1908 and 1909 he was a soloist in the Concerts Touche, and he also filled in for Gigout occasionally as organist at the Église Saint-Augustin de Paris. He later returned to