Complex sentence: Perryman continued to be a popular performer in Underground Atlanta, and had several European tours late in his career, including appearances at the Montreux Jazz Festival, Berlin Jazz Festival, Chancellor Helmut Schmidt's inauguration, and on BBC Radio.
Split into simpler sentences: Perryman continued to be a popular performer in Underground Atlanta. He made several European tours late in his career, including appearances at the Montreux Jazz Festival, Berlin Jazz Festival, Chancellor Helmut Schmidt's inauguration, and on BBC Radio.