CONRAD BECK: A CATALOGUE OF THE ORCHESTRAL MUSIC
1925: Symphony No.1
1926: Symphony No.2 "Sinfonietta": 10 minutes
1927: Symphony No.3 for string orchestra: 25 minutes
1927-28:Concertino for Piano and Orchestra: 20 minutes
1928: Symphony No.4 "Concerto for Orchestra": 20 minutes
1929: Concerto for String Quartet and Orchestra: 25 minutes
1930: Symphony No.5: 18 minutes
Little Suite for string orchestra: 15 minutes
1931: "Innominata" for orchestra: 10 minutes
Lyric Cantata for soprano, contralto, women's chorus and small orchestra: 25 minutes
1932: Concert Music for Oboe and String Orchestra: 20 minutes
1933: Piano Concerto: 33 minutes
1933-34: Oratorio "Nach Spruchen des Angelus Silesius" for soprano, contralto, baritone, orchestra and organ: 96 minutes
1935: Serenade for Flute, Clarinet and String Orchestra: 17 minutes
1935-36:Ballet "The Great Bear": 55 minutes
1936: Ostinato for orchestra: 12 minutes
Rhapsodie for Piano and Chamber Orchestra: 24 minutes
1937: Chamber Cantata for soprano, flute, piano and string orchestra: 25 minutes
1940: Chamber Concerto for Violin and Small Orchestra: 28 minutes
Prelude for Orchestra 1940: 9 minutes
1941: Flute Concerto: 20 minutes
1942: Chamber Concerto for Harpsichoprd and String Orchestra: 18 minutes
1946: Second Suite for string orchestra: 16 minutes
"Sommerlied" for female choir and orchestra: 12 minutes
1947: "Suite nach volksliedern im Jahresablauf" for orchestra: 20 minutes
1949: Viola Concerto: 23 minutes
1950: Symphony No.6: 32 minutes
1952: Oratorio "Der Tod zu Basel" for soprano, bass, three speakers, chorus and orchestra: 65 minutes
"Hymne" for orchestra: 11 minutes
1953: "Mouvement" for orchestra: 11 minutes
1954: Concertino for Clarinet, Bassoon and Orchestra: 20 minutes
1956: "Herbstfeuer" for contralto and chamber orchestra: 18 minutes
1956-67:Symphony "Aeneas Silvius" (No.7): 29 minutes *
1958: Sonatina for orchestra: 10 minutes
1961: Suite Concertante for winds, timpani and double bass: 19 minutes
1962: Concertino for Oboe and Orchestra: 17 minutes
1964: Concertato for orchestra: 12 minutes
1965: "Hommages: Two Pieces for Orchestra": 12 minutes + (Ars Musici cd)
1967: Cantata "Die Sonnenfinsternis" for contralto and chamber orchestra: 15 minutes
1967-68:Clarinet Concerto: 16 minutes
1969: Fantasie for orchestra: 23 minutes
1970: "Mouvements lyrique" for Cello and Chamber Orchestra: 17 minutes
1971: Chamber Concerto for orchestra: 20 minutes
1972: Elegie for soprano and orchestra: 21 minutes
1976: Concerto for Wind Quintet and Orchestra: 18 minutes *
1982: Two Dances "Lichter und Schatten" for three horns, timpani and string orchestra: 17 minutes
1983: "Nachklange-Tripartita" for orchestra: 16 minutes
I have been able to make several significant additions of works left in manuscript by Beck. These have come following my discovery of a Swiss database:
http://www.musinfo.ch/index.php?content=maske_werke&pers_id=1338&name=Beck&vorname=Conrad (http://www.musinfo.ch/index.php?content=maske_werke&pers_id=1338&name=Beck&vorname=Conrad)
Unfortunately it was compiled only up to 1971.