If the title were accurate, it'd be returned to the UK roughly 300 years after John Cage's Organ²/ASLSP finishes its last note. The Zeitpyramide, however, will

If the title were accurate, it'd be returned to the UK roughly 300 years after John Cage's Organ²/ASLSP finishes its last note. The Zeitpyramide, however, will not be completed yet, but be over 80% there