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:C
['E F']  
X:1
L:1/4
M:4/4
K:C
 C D/ E D/ C | D/ E D/ C G/ G | G/ G3 A | A/ G E/ G G/ F |[M:4/4] E/ (D C/) D E/ | F2 E F | 
 G2 c A | G2 E F | G G c A | G2 E F | G2 A E | (F D) C B, | (C3/2 D/) E C | F2 E F | (G E) A G | 
 (F D) C B, | C4- | C z3 |]  