Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/4
M:4/4
K:D
['E =F']  
X:1
L:1/4
M:4/4
K:D
 D2 G2 | A G E =F | D2 E =F | G2 z D | =C2 G2 | A2 =F2 | G2 G2 | =F2 z E | =F2 G2 | =F2 D E | 
 E =C B, E | =F D/=C/ B,2 | A,4 |]  