Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
Q:1/2=100
M:2/4
K:C
['C quick g fgaf geef gfaA B2', 'dedA Beef'  
X:1
L:1/8
Q:1/2=100
M:2/4
K:C
 C |[K:G]"^22...a quick march" g | fgaf | geef | gfaA | B2 B f | gfaf | geef | gedB | A2 A :: B | 
 dedA | Beef | dedA | B2 B c | dedA | Beef | gedB | A2 A :|  