Complex sentence: The opera's touching libretto, appealing melodies, and elegant instrumentation proved immensely popular, and it ran in Berlin for 900 performances, and within the next 10 years was performed approximately 6,000 times in Germany and abroad.
Split into simpler sentences: The opera's touching libretto, appealing melodies, and elegant instrumentation proved immensely popular. It ran in Berlin for 900 performances, and within the next 10 years was performed approximately 6,000 times in Germany and abroad.