Develop melodies utilizing the stated letter notation and the provided theme.
X:1
L:1/8
Q:1/4=140
M:4/4
K:D
['AG F2 AF E2 A2 FGEF D2', 'fgfg efef', '', 'BcdB ABcA']  
X:1
L:1/8
Q:1/4=140
M:4/4
K:D
|: AG | F2 AF E2 A2 | FGEF D2 A2 | B2 c2 d2 e2 | cdBc A2 AG | F2 AF E2 A2 | FGEF D2 A2 | 
 Bcde fedc | d6 ::[Q:1/4=140] e2 | fgfg efef | fgfg efef | dede cdcd | dede cdcd | BcBc ABAB | 
 BcBc ABAB |"^rit"[Q:1/4=130] Bcde fedc | d6 :|"^Alt B music" |:[Q:1/4=140] e2 | fgaf efge | 
 fgaf efge | defd cdec | defd cdec | BcdB ABcA | BcdB ABcA |"^rit"[Q:1/4=130] Bcde fedc | d6 :|  