Original sentence: Canzonissima '68 was a series of variety nights from September 1968 to January 1969 hosted by Mina, Walter Chiari and Paolo Panelli.During the shows, Mina was accompanied by an orchestra of 400 people and a choir of 130.The Saturday night live events gathered unprecedented 20–22 million viewers per evening
Edited sentence: Canzonissima '68 was a Saturday night prime time variety show aired on Rai Uno from September 1968 to January 1969.It was hosted by Mina, Walter Chiari and Paolo Panelli.The show gathered unprecedented 20–22 million viewers per night, watching Mina's performances accompanied by an orchestra of 400 people and a choir of 130