合奏協奏曲
In the early 1970s, he collaborated with Italian progressive rock bands such as New Trolls, on their 1971 album, "Concerto grosso per i New Trolls", Osanna, on the band's second album, "Preludio Tema Variazioni e Canzona" released in 1972, and Il Rovescio della Medaglia for the 1973 release of their third album, "Contaminazione".