Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
Q:3/4=30
M:3/4
K:F
['D2 DEFG A4', 'd2 defg a4 fg']  
X:1
L:1/8
Q:3/4=30
M:3/4
K:F
 FC | D2 DEFG | A4 FG | A2 BAGF | G4 FG | A2 ABAG | AGFEFG | A2 ABAG | AGFEDC | D2 DEFG | A4 dc | 
 defdcA | G4 AB/c/ | defdcB | cdcBAG | A2 D2 E2 | F4 :: f>c | d2 defg | a4 fg | a2 bagf | g4 fg | 
 a2 abag | agfefg | a2 abag | agfedc | d2 defg | a4 fg | (a/g/f/e/) (f/e/d/c/) d/c/B/A/ | 
 G4 AB/c/ | defdcA | cdcBAG | A2 D2 E2 | F4 :|  