her descendants, who inadvertently destroyed many of them. Others were passed on through his only known Berlin pupil, Sarah Itzig Levy, great-aunt of Felix Mendelssohn. Some of his scores were collected by Carl Friedrich Christian Fasch and his pupil Carl Friedrich Zelter, the teacher of Felix Mendelssohn and through them these materials were placed in the library of the Sing-Akademie zu Berlin, which Fasch founded in 1791 and of which Zelter took charge in 1800. Friedemann is known occasionally to have claimed credit for music written by his father, but this was in keeping with common musical practices in the era. Works "BR-WFB" denotes "Bach-Repertorium Wilhelm Friedemann Bach". "Fk." denotes "Falck catalogue". Bach Digital Work (BDW) pages contain information about individual compositions. More lost, doubtful and spurious works Fk. 34 – Fugue in B-flat major: not by any Bach family member Fk. 66 – Sinfonia in D minor: spurious Fk. 101–105 – lost cantatas Orchestral Suite in G Minor, BWV 1070 (possibly spurious) Scherzo in D minor, BWV 844, attributed to both W. F. and J. S. Bach. Reception Use by later composers Wolfgang Amadeus Mozart's set of six Preludes and Fugues for string trio, K. 404a, contains five fugues transcribed from The Well-Tempered Clavier by Johann Sebastian Bach while the sixth fugue in F minor, is a transcription of one of the Eight Fugues (Falck 31) of Wilhelm Friedemann Bach. The preludes in K. 404a are Mozart's own, except for 4 (from BWV 527) and 5 (second movement from BWV 526). Film Friedemann Bach is a 1941 German historical drama film directed by Traugott Müller and starring Gustaf Gründgens, Leny Marenbach and Johannes Riemann. The film depicts the life of Johann Sebastian Bach's son Wilhelm Friedemann Bach. It is based on Albert Emil Brachvogel's novel Friedemann Bach. Wilhelm Friedemann Bach is shown as a gifted son trying to escape his father's shadow. Notes References Sources Applegate, Celia, Bach in Berlin: Nation and Culture in Mendelssohn's Revival of the St. Mathew Passion, Cornell University Press, Ithaca and London, 2005, The New Grove Dictionary served as a source for revision. Schulenberg, David: entry on Wilhelm Friedemann Bach in The Oxford Composer Companion: J.S.Bach (ed. Malcolm Boyd, 1999: ) The harpsichord concertos of Wilhelm Friedemann Bach Further reading Borysenko, Elena. The Cantatas of Wilhelm Friedemann Bach. Thesis (Ph.D.) Eastman School of Music, University of Rochester, 1981. In 2 volumes. ("Vol. II ...