Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:4/4
K:C
['D3 E', 'Addc dfed AcBd']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:G] cag D da e[Q:1/8=180]"^D modal" D3 E FGAF | D2 AF GECE | D3 E FGAB | cAdB cAGE | 
 D3 E FGAF | D2 AF GECE | D3 E FGAB | cAdB cAGB || Addc dfed | AcBd cAGB | Adde fdeB | cAdB cAGE | 
 Addc dfed | AcBd cdeg | agef gfed | cAdB cAGE |]  