TRUE
The Benin mask is a miniature sculptural portrait and was assumed to be designed for somebody rich because it was made from rare ivory. It is believed to be the portrait of the Queen Mother of India of the Benin Empire during the 16th century.
For example on number 1 the time signature is 4/4 , that means there has to be 4 beats in between each bar line. They have already put in a half note which is equal to 2 beats. You can either put another half note or two quarter notes.
Remember
Whole Note = 4 beats
Quarter Note = 1 beat
Half Note = 2 beats
Dotted Half Note = 3 beats
A) Bass
Those were the insturments used.