Craft a musical arrangement that integrates the provided motif and upholds the required musical structure.
X:1
L:1/8
Q:1/2=90
M:4/4
K:Ador
['c2 B2 A2 a2', 'A B cdeA cdeA d/c/B/A/ Bd BGdB', 'cdef gage'  
X:1
L:1/8
Q:1/2=90
M:4/4
K:Ador
 B | c2 B2 A2 a2 | efge dBGB | c2 B2 A2 a2 | gegd e2 A :: B | cdeA cdeA | d/c/B/A/ Bd BGdB | 
 cdeA cdea | gegd e2 A :: B | cdef gage | gage d/c/B/A/ GB | cdef gage | abag a2 A :|  