Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:6/8
K:G
['', 'gfg dBG ABc BAG gfg ABc', 'gfg dBd gfg ece', 'd3 ded cBA']  
X:1
L:1/8
M:6/8
K:G
 d |: gfg dBG | ABc BAG | gfg ABc | BGB dBd | gfg dBG | ABc BAG | gfg ABc | BGG G2 d :: gfg dBd | 
 gfg ece | gfg dBG | ABc BAG | gfg dBd | gfg ece | ABc Bed |1 BGG G2 d :|2 BGG G2 A |: BGG cGG | 
 eGG d3 | ded cBA | Bdc BAG | BGG cGG | eGG d3 | ded cBA |1 BGG G2 A :|2 BGG G3 ||  