Orchestra equals Hospital?

Two recent phenomena:

1. The creation of Traditional Chinese Instrument Orchestras.

2. The integration of Traditional Chinese Medicine into modern (i.e. Western) hospital systems.

Explore:

Orchestra=Hospital, Soloist=Personal Clinic

When did (1, 2) occur?

What was the largest music ensemble before Western-style orchestras were introduced to China? What instruments were used? Was there a conductor? Was the music notated? Memorized? Was there improvisation? 'Jamming'? How did the musicians indicate the music was finished? Was there applause?

(inspired by this article: "Chinese instruments and the creation of a national music")