Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:12/8
K:G
['d2 c', 'd2 B']  
X:1
L:1/8
M:12/8
K:G
|: d2 c | B2 G B2 c d3- d2 c | B2 G B2 c d3- d2 c | BdB GBd edc BA^G | Add d^cd Add cec | 
 B2 G BBc d3- dBG | c2 B cde gag f/g/fe | d2 B GBd cAF DEF | A2 G GFA G3 :: ggf | 
 e/f/ec cBd c3 gfe | d2 B BAc B3 G2 B | ddd d^cd edc BA^G | Add d^cd Add cec | B2 G BBc d3- dBG | 
 c2 B cde gag f/g/fe | d2 B GBd cAF DEF | A2 G GFA G3 :|  