Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/8
Q:1/8=150
M:9/8
K:D
['d2 d', 'fag fed']  
X:1
L:1/8
Q:1/8=150
M:9/8
K:D
 d2 d ded cBA | d2 d def gfe | d2 d ded cBA | BcB Bcd ecA :| fag fed cBA | fag fed cde | 
 fag fed cBA | BcB Bcd ecA :|  