Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
Q:1/8=180
M:2/2
K:C
['BG A2 AB AGED EGAB c2 BG', 'cd ecgc eccg'  
X:1
L:1/8
Q:1/8=180
M:2/2
K:C
 BG | A2 AB AGED | EGAB c2 BG | AcBG AGEa | gedB c2 :| cd | ecgc eccg | ecge d2 cd | ecgc eccg | 
 a^fge d2 cd | ecgc eccg | ecge d2 cd | e^f g2 ea a2 | gedc c4 |]  