Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:2/4
K:Emin
['dB BG']  
X:1
L:1/8
M:2/4
K:Emin
 G2 GB | A2 Ac | G2 GB | (A/G/)(F/E/) DF | GG GB | A2 cc | Be e^d | eE EE | dB BG | AB c2 | dB BG | 
 AF FD | dB BG | AB cc | (Be) e^d | eE EE |]  