Design a musical arrangement using the alphabetical representation of the given sequence and the supplied motif.
X:1
L:1/8
M:2/4
K:G
['d2 z']  
X:1
L:1/8
M:2/4
K:G
 D | GABc | dddd | efge |[M:3/4] e2 d2 z d |[M:2/4] efge |[M:3/4] e2 d2 z g |[M:2/4] dBAc/c/ | 
 cBGB | BAcF |[M:3/4] GB d2 z g |[M:2/4] dBAc/c/ | cBGB | BAcF | G2 z |]  