Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
M:4/4
K:G
['G2 GF GABd', 'gdBd GdBd fgaf']  
X:1
L:1/8
M:4/4
K:G
 dB | G2 GF GABd | dced dBAc | BGED E2 EG | FGAF GFED | G2 GF GABd | dBed dBAc | BGED E2 ED | 
 GBAB G2 :: B/c/d | gdBd GdBd | fgaf gedA | BGED E2 EG | FGAF GAB/c/d | gdBd GdBd | fgaf fged | 
 BGED E2 ED | GBAB G2 :|  