Complex sentence: He studied piano and composition at the "Hochschule für Musik und darstellende Kunst Mozarteum" in Salzburg, and also studied piano, composition, and conducting at the "Hochschule für Musik und darstellende Kunst Wien".
Split into simpler sentences: He studied piano and composition at the "Hochschule für Musik und darstellende Kunst Mozarteum" in Salzburg. He also studied piano, composition, and conducting at the "Hochschule für Musik und darstellende Kunst Wien".