Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:2/2
K:D
['DFAc BGAF DFFA BEEF DFAF BFAd |1', 'GFED A,DFA DFAd fadf e2 (fg) abaf']  
X:1
L:1/8
M:2/2
K:D
 DFAc BGAF | DFFA BEEF | DFAF BFAd |1 gfed cAGE :|2 (3(fga) eg (fd) d2 || d2 fd c2 ec | BdAF GFED | 
 A,DFA DFAd | fadf e2 (fg) | abaf gfed | edfd edBc |{e} dcdA BdAF | GBAF D2 z2 |]  