Compare bars X, Y and Z, then choose True or False for the following statement.
X and Z are at the same pitch.
Y is two-octave higher than Z.
Y is one-octave lower than X.
Y is one-octave lower than Z.
Z is one-octave higher than X.
Y and Z are at the same pitch.
X is one-octave lower than Z.
X and Y are at the same pitch.
X is one-octave lower than Y.