Who's masterpiece is Cavalleria Rusticana,  Emmanuel Chabrier or Pietro Mascagni?
Emmanuel Chabrier: Alexis Emmanuel Chabrier (] ; January 18, 1841September 13, 1894) was a French Romantic composer and pianist. Pietro Mascagni: Pietro Antonio Stefano Mascagni (] ; 7 December 1863 – 2 August 1945) was an Italian composer most noted for his operas. His 1890 masterpiece "Cavalleria Rusticana" caused one of the greatest sensations in opera history and single-handedly ushered in the "Verismo" movement in Italian dramatic music.
Pietro Antonio Stefano Mascagni