Krzysztof Meyer was born in Kraków (Poland) in 1943. He gave us nine symphonies:
No. 1, Op. 10 (1964)
No. 2 Epitaphium Stanisław Wiechowicz in memoriam for choir and orchestra, Op. 14 (1967)
No. 3 Symphonie d'Orphée for choir and orchestra, Op. 20 (1968)
No. 4, Op. 31 (1973)
No. 5, Op. 44 (1979)
No. 6 "Polish" Symphony, Op. 57 (1982)
No. 7 Sinfonia del tempo che passa, Op. 97 (2003)
No. 8 Sinfonia da requiem, Op. 111 (2009)
No. 9 Fidae speique Sinfonia, Op. 126 (2016)
and fifteen string quartets:
No. 1, Op. 8 (1963)
No. 2, Op. 23 (1969)
No. 3, Op. 27 (1971)
No. 4, Op. 33 (1974)
No. 5, Op. 42 (1977)
No. 6, Op. 51 (1981)
No. 7, Op. 65 (1985)
No. 8, Op. 67 (1985)
No. 9, Op. 74 (1990)
No. 10, Op. 82 (1994)
No. 11, Op. 95 (2001)
No. 12, Op. 103 (2005)
No. 13, Op. 113 (2010)
No. 14, Op. 122 (2014)
No. 15, Op. 131 (2017)
as well as a Piano Quintet, Op. 76, from 1991.
Here is his symphony no. 6, opus 57, from 1982:
http://www.mediafire.com/listen/dqo29g0bxb9d5lp/Meyer_Sym6.m4a