Complex sentence: However, it did not achieve critical acclaim until after it was performed by the Gewandhaus Orchestra in Leipzig under the direction of Mendelssohn in 1839, which received a positive review by Robert Schumann in the German music journal, "Neue Zeitschrift Für Musik".
Split into simpler sentences: However, it did not achieve critical acclaim until after it was performed by the Gewandhaus Orchestra in Leipzig under the direction of Mendelssohn in 1839. It was prominent enough to garner a stellar review by Robert Schumann in the German music journal, "Neue Zeitschrift Für Musik".