Complex sentence: The relationship between Gaetano Donizetti and the Risorgimento is still controversial; even though Giuseppe Mazzini tried to use some of Donizetti's works for promoting the Italian cause, Donizetti had always preferred not to get involved in politics.
Split into simpler sentences: The relationship between Gaetano Donizetti and the Risorgimento is still controversial. Even though Giuseppe Mazzini tried to use some of Donizetti's works for promoting the Italian cause, Donizetti had always preferred not to get involved in politics.