Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['A2 FD F2 ED']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: dB | A2 FD F2 ED | F2 FE FA dB | A2 FD F2 ED | EB BA FE EF | A2 FD F2 ED | F2 FE FA dB | 
 A2 FD F2 ED | FA EG FD D2 | FA AB AG FG | AB de fe e2 | fe dc Bc dB | AB de fe dB | FA AB AG FG | 
 AB de fe e2 | fe dc Bc dB | AB de d2 :|  