Develop a musical composition by incorporating the suggested motif and by following the prescribed format.
X:1
L:1/4
Q:1/4=200
M:4/4
K:F
['B A G A B']  
X:1
L:1/4
Q:1/4=200
M:4/4
K:F
 G B | A G A B | A G A B | A4 | c3 B | A G A B | G2 G2- | G2 :|  