Possible Clues:

• Top Russian company MD ordered standardised manufacture
• Play staged by Boston's Commonwealth Shakespeare Company?
• Stage presentation about a religious service?
• Making a lot, all the same, from some of Bach's work
• Work for some composers, making multiple copies
• Large-scale manufacture of music for the services?
• Ford innovation
• Manufacture on a large scale in a service industry?
• Henry Ford engaged in this and so did Schubert
• Manufacturing practice