2000, Zender taught composition at the Hochschule für Musik und Darstellende Kunst in Frankfurt. Among his students was Isabel Mundry. Invited by Walter Fink, he was in 2011 the 21st composer featured in the annual Komponistenporträt of the Rheingau Musik Festival. Music in a chamber concert included denn wiederkommen (Hölderlin lesen III) for string quartet and speaking voice (1991) and Mnemosyne (Hölderlin lesen IV) for female voice, string quartet, and tape (2000), performed by Salome Kammer and the Athena Quartet. A symphony concert was given by the SWR Vokalensemble and SWR Symphonieorchester conducted by , including Schubert-Chöre, featuring Zender's adaptations of four Schubert choral works with orchestral rather than the original piano accompaniment, written in the 1980s. Zender died on 22 October 2019 in Meersburg, Germany. Compositions Many of Zender's works were published by Breitkopf & Härtel. The published works are held by the German National Library, including: Canto I–VI for various forces I: for choir, flute, piano, strings and percussion (1965) II: for soprano, choir and orchestra on a text by Ezra Pound (1967) III: for soprano, tenor, baritone, ten instruments and live-electronics on texts by Cervantes (1968) IV: for 16 voices and 16 instruments (1969/72) V: for voices with optional percussion (1972/74) VI: for bass-baritone, a capella mixed choir, and optional tape (1988) 3 Rondels nach Mallarmé (3 Rondels after Mallarmé) for alto, flute and viola (1966); words by Stéphane Mallarmé Modelle for variable forces (1971–73) Zeitströme for orchestra (1974) Elemente, tape montage for two loudspeaker groups (1976) Hölderlin lesen I for string quartet with sprechstimme (1979); words by Friedrich Hölderlin Hölderlin lesen II for sprechstimme, viola, and live-electronics (1987); words by Friedrich Hölderlin "denn wiederkommen" (Hölderlin lesen III) for string quartet and sprechstimme (1991) Mnemosyne (Hölderlin lesen IV) for female voice, string quartet, and tape (2000) Fünf Haiku (LO-SHU IV) for flute and strings (1982) Dialog mit Haydn for two pianos and three orchestral groups (1982) Stephen Climax, opera (1979–84, premiered in 1986) Don Quijote de la Mancha, opera (1989–91, premiered in 1993; new version 1994, premiered in 1999) Schuberts "Winterreise" — Eine komponierte Interpretation for tenor and small orchestra (1993) Shir Hashirim—Lied der Lieder (Canto VIII), oratorio for soli, choir, orchestra, and live-electronics (1992/96, complete première in 1998) Schumann-Fantasie for large orchestra (1997) Chief Joseph, on the life of Chief Joseph, musical theatre in three acts (premiered in 2005) Writings Zender, Hans. 2004. Die Sinne denken.