Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
['FDFA dfaf gefd dcBA', 'd4 dffd cece BddB BAGF GBGB FAFA']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
 AG | FDFA dfaf | gefd dcBA | GBGB FAFA | EFGA GFED | FDFA dfaf | gefd dcBA | f2 fg afdf | 
 gedc d2 d2 | d4 :: dffd cece | BddB BAGF | GBGB FAFA | EFGA GFED | FDFA dfaf | gefd dcBA | 
 f2 fg afdf | gedc d2 d2 d2 :|  