Complex sentence: In 1870 he became solo flugelhornist with the band of the Marseille Garde National, and in 1872 he was admitted to the Paris Conservatory where he joined the cornet class of the famous cornetist Jean-Baptiste Arban.
Split into simpler sentences: In 1870 he became solo flugelhornist with the band of the Marseille Garde National. In 1872 he was admitted to the Paris Conservatory where he joined the cornet class of the famous cornetist Jean-Baptiste Arban.