Compose a musical piece by utilizing the given alphabetic form and motif.
X:1
L:1/16
Q:1/2=50
M:2/4
K:G
['GBdB ecdB', 'gdBd gdBd']  
X:1
L:1/16
Q:1/2=50
M:2/4
K:G
 GBdB ecdB | GBdB c2BA | GBdB ecdB | cAAB c2BA :: gdBd gdBd | gdBd c2BA | gdBd gdBd | ceAB c2BA | 
 gdBd gdBd | gdBd c2BA | gfed edeg | aAAB c2BA :|  