Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:3/4
K:G
['D GA B3 A _Bc d3 B']  
X:1
L:1/8
M:3/4
K:G
 D | GA B3 A | _Bc d3 B | cd e2 d2 | c2 _B2 z G | Bd A3 c | _Bd G3 A | Bc d2 B2 | A2 G2 z |]  