Comprises three types of material: composition (pt. A); performance (pt. C); and, musicology (pt. B.), and is intended to reflect the author's professional activities as composer, pianist and writer. The various writings and texts all relate to the life and music of Witold Lutoslawski (1993-2003). Earlier publications have been excluded because they are referred to (and reflected in) the author's thesis: Pitch organisation in the music of Witold Lutoslawski since 1979 (Thesis (Ph.D.)--University of Leeds, 1992) "October 2003." Includes bibliographical references 592 leaves. : Title page, contents and abstract only. The complete thesis in print form is available from the University Library. Chiefly in English; some Polish text in pt. B.