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>A c2']  
X:1
L:1/8
M:2/4
K:F
 f2 Ac | f2 dc | cdcA/c/ | cA G2 | G>A c2 | d2 AG | FAGF | C4 | CE F2 | EcAc | GAGF | F3 z | 
 G>A c2 | c>A G2 | c F2 c | D>GG/F/D/F/ | C4 |]  