Construct a musical composition using the provided motif and maintain the designated form.
X:1
L:1/4
M:3/4
K:F
['A G']  
X:1
L:1/4
M:3/4
K:F
"Bb" G/A/ F/G/ |[M:3/4]"F" A3 |"F" c z C |"F" A2 A |"C" G A B |"F" A G F |[M:2/4]"Bb" G/A/ F/D/ | 
[M:3/4]"F" F3- |"F" F z |]  