Who was the first to popularize the method of single-impression printing for music books?

Gail Hoffman has argued that the ________ on Head with Remains of Painted Decoration were related to mourning the dead

A. painted eyes B. presence of a necklace C. red lines D. floral motif

Each key of the keyboard represents one tone, and each of the seven different white keys bears one of seven letter names.

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