Complex sentence: Apart from the two quartets, Niziol appears on stage with many other ensembles: he performed with Pinchas Zukermann, Elisabeth Leonskaja, the Imperial Piano Trio & the Limming Ensemble.
Split into simpler sentences: Apart from the two quartets, Niziol appears on stage with many other ensembles. He performed with Pinchas Zukermann, Elisabeth Leonskaja, the Imperial Piano Trio & the Limming Ensemble.