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:D
['F2 F FED EDE F2 E D2', 'F D2 D EDE |1 FEE EDE']  
X:1
L:1/8
M:6/8
K:D
|: F2 F FED | EDE F2 E | D2 D EDE |1 FEE EDE :|2 FDD D3 |: D2 F E2 F | DEF E2 F | D2 D EDE |1 
 FEE EDE :|2 FDD D3 ||  