Develop a musical composition by incorporating the suggested motif and by following the prescribed format.
X:1
L:1/8
M:3/4
K:Bb
['F2 GA']  
X:1
L:1/8
M:3/4
K:Bb
 Bd f2 d2 | f2 g3 e | cA F2 GA | Bc d2 B2 | FB d2 B2 | d2 e3 c | FA F2 GA | FA B2 F2 |]  