Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:4/4
K:A
['a2 AB cdef', 'cAeA aAef']  
X:1
L:1/8
M:4/4
K:A
 g | a2 AB cdef | =g2 d=c BGG>g | a2 AB cdef | gfed cAA>e :| cAeA aAef | =g2 d=c BGGB | cAeA aAef | 
 gfed cAAe | cAeA aAef | =g2 d=c BGGB | AcBd ceef | eagb aA A2 |]  