Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:2/4
K:F
['G F']  
X:1
L:1/8
M:2/4
K:F
 c3/2 d/ c B | G4 | f e/ d/ c B | G4 | c3 c | d2 d2 | c2 c B | c2 B G | F G F D | C4 | F G B B | 
 c B G F | E2 B G | F G F E | C C F G | C4 |]  