Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:2/4
K:C
['ge cG/c/ Bc de fd', 'AB/A/ Gc/G/ AB']  
X:1
L:1/8
M:2/4
K:C
|: ge cG/c/ | Bc de | fd ed | ce g>f | ge cG/c/ | Bc de | fd eB |1 dc c>f :|2 dc c>F |: EG GE | 
 FA AB/A/ | Gc/G/ AB | ce/c/ G>F | EG GE | FA AB/A/ | Gc/G/ AB |1 c2 c>F :|2 c2 c>f ||  