Henryk Mikołaj Górecki ( , ; 6 December 1933 – 12 November 2010) was a Polish composer of contemporary classical music. This incomplete list of his compositions is sorted by opus number or date when no opus number is provided. Much of Górecki's work has been published by Boosey & Hawkes, which holds the rights for most of the world except in "countries of the former socialist copyright federation," where Polskie Wydawnictwo Muzyczne holds the rights. Works Published Four Preludes, Op. 1, piano (1955) Toccata for two pianos, Op. 2 Three Songs, Op. 3 (1956) No. 1 Do matki – To Mother No. 2 Jakiż to dzwon grobowy – What was this Funeral Bell No. 3 Ptak – The Bird Variations for violin and piano, Op. 4 Quartettino, Op. 5, two flutes, oboe, violin (1956) Piano Sonata No. 1, Op. 6, piano (1956, revised 1984, 1990) Songs of Joy and Rhythm, Op. 7, piano and chamber orchestra (1956, revised 1959) Sonatina in One Movement, Op. 8, violin and piano Lullaby for piano, Op. 9 (1956, revised 1980) Sonata for two violins, Op. 10 (1957) Concerto for five instruments and string quartet, Op. 11, mixed ensemble (1957) Epitafium, Op. 12, chorus and ensemble (1958) No. 1 Preludium No. 2 Chorał – Chorale No. 3 Antyfona – Antiphon No. 4 Postludium Five Pieces, Op. 13, piano duo (two pianos or piano four hands) (1959) Symphony No. 1 '1959', Op. 14, string orchestra and percussion (1959) Three Diagrams for solo flute, Op. 15 Monologhi, Op. 16, soprano and three groups of instruments (1960) Scontri, Op. 17, full orchestra (1960) Diagram IV for solo flute, Op. 18 (1961) Genesis I: Elementi, Op. 19, string trio (1962) Genesis II: Canti Strumentali, Op. 19, 15 players (1962) Genesis III: Monodramma, Op. 19, soprano, metal percussion and six double basses (1963) Trzy tance w dawnym stylu (Three pieces in the old style), string orchestra, no Op. number (1963) Choros I, Op. 20, string orchestra (1964) Refrain, Op. 21, full orchestra (1965) Musiquette 1 for two trumpets and guitar, Op. 22 (1967) Musiquette 2, Op. 23, four trumpets, four trombones, two pianos, percussion (1967) Old Polish Music (Muzyka Staropolska), Op. 24, full orchestra (1969) Musiquette 3, Op. 25, viola ensemble (1967) Cantata for organ, Op. 26 (1968) Canticum Graduum, Op. 27, full orchestra (1969) Musiquette 4, Op. 28, trombone, clarinet, cello, piano (1970) Ad Matrem, Op. 29, chorus