Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
M:4/4
K:C
['f2 f>e dB B2', 'fd ed'  
X:1
L:1/8
M:4/4
K:C
[M:2/4][K:D] ue e.g .dffee ue e ce cec[Q:1/8=120]e | f2 f>e | dB B2 | Ad d/c/d/e/ | fe ea | 
 f2 f>e | dB B2 | Aa af | edd :| e | fd ed | fd ed | fa af | ed e>e | fd ed | fd ed | fa af | 
 edd :|  