Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
Q:3/8=110
M:6/8
K:Fmin
['(C2 D)']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:Fmin
 F2 G A2 B | cdc B2 d | cGE (C2 D) | (C2 D) (C2 D) | F2 G A2 B | cdc Bcd | cAF BG=E |{E} F3- F3 |:  