[2] He has worked with Sir Georg Solti and Wolfgang Sawallisch, under whose direction numerous recordings such as Haydn's Die Schöpfung, Mozart's Don Giovanni and Wagner's Die Meistersinger von Nürnberg were made.
Lippert worked several times with the conductors Nikolaus Harnoncourt, Franz Welser-Möst, Riccardo Muti and Fabio Luisi.
In 2009/10 he made recordings and gave concerts with Harnoncourt and the Concentus Musicus Wien, with Luisi and the Sächsische Staatskapelle Dresden, with Franz Welser-Möst and the Wiener Philharmoniker, as well as opera appearances at the Vienna Volksoper and at the Graz Opera.
[3] In June 2014, he performed at the Vienna State Opera as the replacement of Peter Seiffert who was indisposed in Act 2 as Siegmund in Wagner's Die Walküre.
On 15 November 2014 Lippert appeared as Golizyn in Vienna in a new production of Mussorgsky's Khovanshchina.