Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:G
['G2 BG DGBG', 'dggf g2']  
X:1
L:1/8
M:4/4
K:G
 G2 BG DGBG | G2 Bd cAFA | G2 BG DGBG | defd cAFA | G2 BG DGBG | G2 Bd cAFA | G B3 d B3 | 
 defd cAFA || dggf g2 fg | adfd adfe | dggf g2 fe | defd cAFA | dggf g2 fg | adfd adfe | 
 d g3 bgag | defd cAFA ||  