Develop musical compositions that maintain the outlined structure and integrate the provided motif
X:1
L:1/8
Q:1/8=180
M:2/2
K:C
['C |[K:D] key in .Tdfec B2 B2', 'cAeA fAeA cAec B2 B2 cAeA fAec'  
X:1
L:1/8
Q:1/8=180
M:2/2
K:C
 C |[K:D] FAGME"_No key in MS" .Tdfec | B2 B2 | c>BAg | faec | d>fec | A2 A2 :: cAeA | fAeA | 
 cAec | B2 B2 | cAeA | fAec | dfec | A2 A2 :|  