Salt was considered so valuable in the past that it was a source of wealth. What role could an elaborate Afro-Portuguese saltcellar have for the European nobility?

The inversion of a tone row is the row

a. backwards b. backwards and upside down c. upside down d. backwards with different rhythm e. in its original form but with different rhythm

There are not many tragicomedies written in modern times.

Answer the following statement true (T) or false (F)