I believe the answer is true.
A whole note is not equal to a half rest in a 4/4 time signature.
And I don't know how specific your answers have to be but I know that taiko is a style of drums and not usually a drumming style.
Answer:
if your solving for X its X=3
8*3-3=21
Explanation:
Acoustic instruments.
Simple chord progressions such as C-F-G or Am-G.
Simple time signatures such as 3/4 or 4/4.
"Sharp" or natural keys such as C, D, E, G or A.
Simple scales such as pentatonic minor (blues), pentatonic major, major, melodic minor and mixolydian.