In Kay Sage's I Saw Three Cities, most of the visual weight in the composition occurs in the lower half but is balanced in the upper reaches of the sky by __________

C. P. E. Bach published a two-volume treatise on which of the following subjects?

a) keyboard playing b) flute playing c) keyboard manufacture d) singing

More than eighty years after its premier, Rhapsody in Blue remains the single most popular work written by an American composer

Indicate whether the statement is true or false