Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/16
M:2/4
K:F
['G2 G A G F']  
X:1
L:1/16
M:2/4
K:F
 G2 G A G F D C | F4 D4 | G2 G A G F d c | F4 D4 | G2 F2 G4 | c4 d f d c | B2 c2 G2 F2 | 
 D2 F F D C B,2 | C8 |]  