the John Cage Organ Project gathered in Halberstadt to hear the chord change, which is the piece’s first new sound in six years and 11 months, as it was made manually by soprano singer Johanna Vargas and organist Julian Lembke.Each chord change has to be done manually, with two new organ pipes being added on Saturday.Welcome to the new ASLSP chord in Halberstadt and Happy 108th Birthday to John Cage!https://t.co/dXRooY0Rpg— John Cage Trust (@JohnCageTrust) September 5, 2020You can hear the chord