Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
M:2/4
K:G
['', 'ee ef', 'GA GB AG AB A2 B2 B2']  
X:1
L:1/8
M:2/4
K:G
 B |: dd de | d2 Bd | ee ef | e2 Be | ee ef | g2 fe | dd gf |1 eB BB :|2 ed BG | A2 AA | A4 | 
 z B BA | Bc d2 | z e ed | ef ge | dB AB | G3 |: z | GD GA | GB AG | AB A2 | B2 B2 | cA BA | 
 B2 AG | BG cA |1 G3 :|2 AG FE | D2 DE | F2 D2 | z G GD | GA B2 | z c cB | cA B2 | A2 F2 | G3 ||  