[2] He made his debut in 1991 at the age of 20 as Belmonte in Mozart's Die Entführung aus dem Serail for the Roodepoort City Opera.
Since the year 2000 van Rensburg has been working regularly with the Lautten Compagney Berlin (director: Wolfgang Katschner).
At the Munich Gärtnerplatztheater van Rensburg staged, together with the librettist Peer Boysen the pasticcio Ein Theater nach der Mode in 2002, featuring compositions by Handel and other Baroque composers.
[4] Just like in his former own production Il pianto d'Orfeo[5] van Rensburg links the expressiveness of dancing with the music of the composition.
[4][6] 2009: Rodrigo (Georg Friedrich Händel, Eduardo Lopéz Banzo, Al Ayre Español) 2009: Bach Cantatas – Vol.4 (Johann Sebastian Bach, John Eliot Gardiner, English Baroque Soloists) 2009: Alcina (Georg Friedrich Händel, Alan Curtis, Il Complesso Barocco) 2008: Saul, Messiah (Georg Friedrich Händel, René Jacobs, Concerto Köln & Freiburger Barockorchester) 2007: Der Messias (Georg Friedrich Händel, Wolfgang Katschner, Lautten Compagney, Dresdner Kammerchor) 2006: Messiah (Georg Friedrich Händel, René Jacobs, Freiburger Barockorchester) 2006: Catone in Utica (Giovanni Battista Ferrandini, Christoph Hammer, Neue Hofkapelle München [de]) 2006: Il pianto d'Orfeo (various composers, Kobie van Rensburg, Lautten Compagney) 2005: Der Fliegende Holländer (Richard Wagner, Bruno Weil, Cappella Coloniensis) 2004: Le Nozze di Figaro (Wolfgang Amadeus Mozart, René Jacobs, Concerto Köln) 2003: Griselda (Alessandro Scarlatti, René Jacobs, Akademie für alte Musik Berlin) 2002: Madrigali Guerrieri ad Amorosi (Claudio Monteverdi, René Jacobs, Concerto Vocale) 2001: Liededition Vol.1 & 2 (Fanny Hensel, Kelvin Groot) 2001: Songs of An English Cavalier (various composers, Kobie van Rensburg, Lautten Compagney) 2000: Handel's Beard, Airs for Tenor (Georg Friedrich Händel, Kobie van Rensburg, Lautten Compagney) 2008: Il ritorno d'Ulisse in patria, live at Teatro Real Madrid (Claudio Monteverdi, Pier Luigi Pizzi, Les Arts Florissants) 2005: L'Orfeo (Claudio Monteverdi, Kobie van Rensburg, Lautten Compagney Berlin)