7级、8级、9级
Czerny: 30 Studies in Mechanism 车尔尼30首练习曲
8级、9级、四手联弹
海顿的三幕神剧创世纪，由 Alexander Zemlinsky 和 Arnold Schoenberg 改编为四手联弹。 Alexander Zemlinsky and his brother-in-law Arnold Schoenberg wrote piano reductions for piano 4 hands by order of Universal Edition during the first decade of the foundation of UE (1901-1910).