 In 1999, Copland House initiated its resident chamber ensemble Music From Copland House (MCH), the U.S.'s only wide-ranging American repertory ensemble, which made its debut at the Opening Night of Merkin Concert Hall’s 1999-2000 season.In September 2009, "Copland House at Merestead", the organization's regular mainstage concert series, was established at the historic Merestead Estate in Mount Kisco, New York.The Rock Hill property is on the south side of Washington Street in the Town of Cortlandt, a mile (1.6 km) east of the hamlet of Crugers on the Hudson River.