Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:2/4
K:Gmin
['GB A2']  
X:1
L:1/8
M:2/4
K:Gmin
 D |"Gm" Gd dc | d2 B2 |"F" d2 cB |"Dm" A3 G |"Gm" Gd dc | d2 B2 |"F" d2 cB |"Dm" A4 |"Gm" GB A2 | 
"F" GB A2 |"Eb" GB A2 |"Dm" GB A2 |"Gm" G2 d2 |"F" cd BA |"Gm" G2 z ::"Gm" GF GA | B3 G | 
"F" B2 c2 |"Bb" d3 d |"Cm" ed dc |"Gm" d2 Bd |"F" cB AG | A4 |"Gm" G2"F" F2 |"Gm" G2 z :|  