Complex sentence: Gilles Apap (b. May 21 1963) is a violinist who plays gypsy music, swing, Irish music, and bluegrass music, as well as the masterpieces of classical music.
Split into simpler sentences: Gilles Apap (b. May 21 1963) is a violinist. He plays gypsy music, swing, Irish music, and bluegrass music, as well as the masterpieces of classical music.