Original sentence: Her singing career has become more complex and various year by year, thanks to the collaboration with the European composers and musicians inluding Ennio Morricone in 1965, Francis Lai in 1973, Mikis Theodorakis in 1978 (Was ich denke became a best selling album in Germany), Enzo Jannacci in 1980, Vangelis in 1981 and 1986, Franco Battiato in 1982 and 1986
Edited sentence: Her singing career has become more complex and various year by year, thanks to the collaboration with the European composers and musicians including Ennio Morricone in 1965, Francis Lai in 1973, Mikis Theodorakis in 1978 (Was ich denke became a best selling album in Germany), Enzo Jannacci in 1980, Vangelis in 1981 and 1986, Franco Battiato in 1982 and 1986