Original: MÃ rk began his studies with Frans Helmerson at 17 at the renowned Edsberg Music Institute. An admirer of Mstislav Rostropovich and the Russian school of cello, MÃ rk went on to study with the Russian cellist Natalia Shakhovskaya.
Simplified: When he was 17 MÃ rk studied with Frans Helmerson, then Heinrich Schiff and the Russian cellist Natalia Schakowskaya.