Original: Barenboim also recorded many chamber works, especially in collaboration with his first wife, Jacqueline du Pré, the violinist Itzhak Perlman, and the violinist and violist Pinchas Zukerman.
Simplified: He recorded a lot of  chamber with his first wife, Jacqueline du Pré, the violinist Itzhak Perlman, and the violinist and violist Pinchas Zukerman.