Complex sentence: Grove and Manns presented the first performance in England of the "Great" C major Symphony, and together with his friend Arthur Sullivan Grove went to Vienna in 1867 in search of Schubert manuscripts.
Split into simpler sentences: Grove and Manns presented the first performance in England of the "Great" C major Symphony. Together with his friend Arthur Sullivan, Grove went to Vienna in 1867 in search of Schubert manuscripts.