This list is manually maintained, therefore some of the available pieces may not yet be linked from this page. For an automatically generated alphabetical list of all available pieces, please see Category:Hennessy, Swan. A list of works in the composer category that are not included here can be found on this page. Please consult the manual of style for creating composer work lists.
Op.1 - Ländliche Skizzen for Piano (Leipzig: Breitkopf & Härtel, 1885); reviewed in the May 1 1887 Monthly Musical Record along with Opp.2, 3, 5/1, and 6.
Am Bache
Waldvöglein
Ländler
Ringellied
Legende
Die Sägemühle
Op.2 - Ein Spinnerliedchen for Piano (Stuttgart: Zumsteeg, 1886)
Op.3 - Vier Lieder for Voice and Piano. 1885-6 (Stuttgart: Zumsteeg, 1886)
Op.5 - The blackbird has a golden bill for Mezzo-Soprano and Piano (Stuttgart: Zumsteeg, 1887); reviewed in May 1 1887 Musical Record as Op.5 No.1; there may be other songs in this set.
Op.6 - Carneval-Studien for Piano (Stuttgart: Zumsteeg, 1887)
Op.7 - Im Gebirg (In the mountains) for Piano (London: Augener, 1887); possibly digitized in part in the pages of the 1887 Monthly Musical Record.
Mittagsstille (Noon)
Zwiegespräch (Canon)
Abendnähe (Twilight)
Träumerei (Dreaming)
Op.8 - Albumblätter (Album Leaves) for Piano (London: Augener, 1887)
Op.9 - Etude-Fantaisie for Piano (London: Augener, 1888)
Op.10 - Lieder an den Mond (Romantische Stücke) for Violin, Cello and Piano (London: Augener, 1888)
Op.30 - 2 Mélodies for Low Voice and Piano. Originally published separately and later grouped under one opus (No.1 - Paris: Hamelle, 1908; No.2 - Paris: E. Demets, 1907)
Op.31 - Trois Chansons écossaises for High Voice and Piano. Originally published separately and later grouped under one opus (No.1 - Paris: Hamelle, 1907; No.2 - Paris: E. Demets, 1920; No.3 - Paris: E. Demets, 1922)
Fête populaire dans la Banlieue de Paris au xxme Siècle.
Op.37 - Les noces du soldat de bois (Ballet en un acte) for Piano; unpublished; composed in 1913.
Op.38 - Introduction, 12 variations et fugue for Piano (or Piano Left Hand alone?) (Diverses Pièces et Variations pour piano sur un thème obligé, No.1, Paris: E. Demets, 1910); composed in 1909; the first edition has subtitle pour la main gauche seule, though the theme appears in the upper staff throughout, without any indication of it being "tacit"...
Op.55 - Epigrammes d'un solitaire for Piano (1st ed: London: Evans & Co., 1924; 2nd ed: Paris: Max Eschig, 1929)
La Forêt de Clamart à l'aube
Un jardin arabe
Une pagode indochinoise
Un berceau
Un vieux cimetière
Un souvenir lointain. En recueil
Op.56 - Trois Mélodies for Low Voice and Piano. Originally published separately (No.1 - Paris: Max Eschig, 1932; No.2 - Paris: Max Eschig, 1925; No.3 - Paris: Max Eschig, 1932)
Le Mort joyeux (librettist: Charles Baudelaire)
Les Grands jasmins épanouis (librettist: Albert Samain)
Op.69 - Banlieues for Piano (self-published, 1926); original publication contained 3 pieces; Max Eschig extended the opus from 3 to 6 pieces in their edition from 1929; the 6 pieces are listed below, but it's unclear which pieces were the 3 originals.
Clamart
Aubervilliers
Meudon
Robinson
Verrières
Bourg-la-Reine
Op.70 - Trio for Violin, Flute and Bassoon (Paris: Max Eschig, 1927); composed in 1926.
Op.71 - Quatre Morceaux for Alto Saxophone (or Viola) and Piano (Paris: Max Eschig, 1929)
Fox Trot
Tango
Chanson de l'émigrant
Lever du soleil dans les Hébrides
Op.72 - Trois Chansons celtiques for Medium Voice and Piano (Paris: Max Eschig, 1927)
La Chanson du rouet (librettist: Leconte de Lisle)
Berceuse d'Armorique (librettist: Anatole Le Braz)
Le Départ des pêcheurs (librettist: Pierre Scize)
Op.73 - Deux Mélodies for Medium Voice and Piano (Paris: Max Eschig, 1928)
Le Chasseur noir (librettist: Paul Gérardy)
La Chanson du vent de mer (librettist: Anatole Le Braz)
Op.75 - String Quartet No.4 (Paris: Max Eschig, 1930); composed in 1928.
Op.76 - Trois Petits trios pour voix de femmes for Soprano, Mezzo-Soprano and Alto Voices; unpublished; composed in 1928.
Il était une fois
Panis angelicus
Vers traduits de Goethe
Op.77 - Deux Pièces celtiques for Viola and Piano; unpublished; composed in 1928.
Danse écossaise
Pièce celtique
Op.78 - Sonatine for 2 Violins (or 2 groups of Violins); unpublished; composed in 1929.
Op.79 - Deux Mélodies for Soprano and Piano (Paris: Max Eschig, 1932 (or 1934?))
La lune (librettist: Paul Verlaine)
À Deux (librettist: Prosper Blanchemain)
Op.80 - Deuxième sonatine for Violin (or Viola) and Piano (self-published, 1929)
Op.81 - Sonatine for Cello and Piano (self-published, 1929)
Works without Known Opus number
Chansons écossaises (Paris: Max Eschig, 1925). Possibly refers to a reissue of Op.31 published in one volume?
A la manière de ... 18 pastiches, pour piano
1er cahier, Johannes Brahms, César Franck, Edvard Grieg, Robert Schumann, Gabriel Fauré, Anton Dvorak.
2e cahier, Richard Strauss, Stephen Heller, Claude Debussy, Benjamin Godard, Max Reger et Paul Delmet, Alexandre Borodine.
3e cahier, Félix Mendelssohn-Bartholdy, Vincent d'Indy, Muzio Clementi, jeune genie de l'avant-garde, Joaquin Turina, Gioacchino Rossini. Max Eschig 1927
4e cahier, Carl Maria von Weber, Domenico Scarlatti, Giuseppe Verdi, Frédéric Chopin, Emmanuel Chabrier, Franz Liszt. Max Eschig 1927
Collections
4 Mélodies for Voice and Piano (Paris: J. Hamelle, 1908)
Lydia, Op.23
Épiphanie, Op.26
Là-bas!, Op.30 No.1
Le Revenant, Op.30 No.2
Album celtique for Piano (Paris: Max Eschig, 1929)
Variations sur un thème original dans le style irlandais, Op.12