It was offering 61 works, of which 21 failed to sell.
Here the players offer works by two of their countrymen.
"What we offer works for a large number of students, but not for all," she said.
Instead, the programs will offer as many as six or seven shorter works.
A company celebrating the diversity of Hispanic culture offers new works and old.
Both auction houses are offering works with a lively sales history.
The Internet offers few classic works on any subject.
Both auction houses were offering more works valued at $5 million plus than either has in five years.
After the Mozart, the musicians offered two more assertive works.
Several dealers, especially those who offer museum-quality works of art, said the city law might force them to be open by appointment only.